Publications

2025

Bias-preserving and error-detectable entangling operations in a superconducting dual-rail system, Nitish Mehta, James D. Teoh, Taewan Noh, Ankur Agrawal, Richard Chamberlain, Tzu-Chiao Chien, Jacob C. Curtis, Bassel Heiba Elfeky, S. M. Farzaneh, Benjamin Gudlewski, Trevor Keen, Nishaad Khedkar, Cihan Kurter, Richard Li, Gangqiang Liu, Pinlei Lu, Heather McCarrick, Anirudh Narla, Sitakanta Satapathy, Tali Shemma, Ruby A. Shi, Daniel K. Weiss, Jose Aumentado, Chan U Lei, Joseph O. Yuan, Shantanu O. Mundhada, S. Harvey Moseley Jr., Kevin S. Chou, Robert J. Schoelkopf [arXiv:2503.10935]

A Linear Quantum Coupler for Clean Bosonic Control, A Maiti, JWO Garmon, Y Lu, A Miano, L Frunzio, RJ Schoelkopf. [arXiv:2501.18025]

A mid-circuit erasure check on a dual-rail cavity qubit using the joint-photon number-splitting regime of circuit QED,’ Stijn J. de Graaf, Sophia H. Xue, Benjamin J. Chapman, James D. Teoh, Takahiro Tsunoda, Patrick Winkel, John W. O. Garmon, Kathleen M. Chang, Luigi Frunzio, Shruti Puri, Robert J. Schoelkopf.  npj Quantum Information 11 (1), 1. DOI:10.1038/s41534-024-00944-4

2024

‘Low loss lumped-element inductors made from granular aluminum,’ V Gupta, P Winkel, N Thakur, P van Vlaanderen, Y Wang, S Ganjam, Luigi Frunzio, and Robert J. Schoelkopf. [arXiv:2411.12611]

‘Quantum Control of an Oscillator with a Kerr-cat Qubit,’ Andy Z. Ding, Benjamin L. Brock, Alec Eickbusch, Akshay Koottandavida, Nicholas E. Frattini, Rodrigo G. Cortinas, Vidul R. Joshi, Stijn J. de Graaf, Benjamin J. Chapman, Suhas Ganjam, Luigi Frunzio, Robert J. Schoelkopf, Michel H. Devoret.[arXiv:2407.10940v1] 

Fast quantum control of cavities using an improved protocol without coherent errors. Jonas Landgraf, Christa Flühmann, Thomas Fösel, Florian Marquardt, Robert J. Schoelkopf, Phys. Rev. Lett. 133, 260802 (2024). DOI:10.1103/PhysRevLett.133.260802.

‘Observation of pairwise level degeneracies and the quantum regime of Arrhenius law in a double-well parametric oscillator,’ Nicholas E. Frattini, Rodrigo G. Cortiñas, Jayameenakshi Venkatraman, Xu Xiao, Qile Su, Chan U Lei, Benjamin J. Chapman, Vidul R. Joshi, S. M. Girvin, Robert J. Schoelkopf, Shruti Puri, Michel H. Devoret, Phys. Rev. X 14, 031040 (2024). DOI:10.1103/PhysRevX.14.031040

Superconducting Quantum Memory with a Suspended Coaxial Resonator. Lev Krayzman, Chan U Lei, Suhas Ganjam, James Teoh, Luigi Frunzio, Robert J. Schoelkopf. Applied Physics Letters 124 204001 (2024). DOI:10.1063/5.0203906

Surpassing millisecond coherence times in on-chip superconducting quantum memories by optimizing materials, processes, and circuit design. Suhas Ganjam, Yanhao Wang, Yao Lu, Archan Banerjee, Chan U Lei, Lev Krayzman, Kim Kisslinger, Chenyu Zhou, Ruoshui Li, Yichen Jia, Mingzhao Liu, Luigi Frunzio, Robert J. Schoelkopf. Nat Commun 15, 3687 (2024). DOI:10.1038/s41467-024-47857-6. 

Erasure detection of a dual-rail qubit encoded in a double-post superconducting cavity Akshay Koottandavida, Ioannis Tsioutsios, Aikaterini Kargioti, Cassady R. Smith, Vidul R. Joshi, Wei Dai, James D. Teoh, Jacob C. Curtis, Luigi Frunzio, Robert J. Schoelkopf, Michel H. Devoret.  Phys. Rev. Lett. 132, 180601 (2024). DOI: 10.1103/PhysRevLett.132.180601

A superconducting dual-rail cavity qubit with erasure-detected logical measurements.  Kevin S. Chou, Tali Shemma, Heather McCarrick, Tzu-Chiao Chien, James D. Teoh, Patrick Winkel, Amos Anderson, Jonathan Chen, Jacob Curtis, Stijn J. de Graaf, John W. O. Garmon, Benjamin Gudlewski, William D. Kalfus, Trevor Keen, Nishaad Khedkar, Chan U Lei, Gangqiang Liu, Pinlei Lu, Yao Lu, Aniket Maiti, Luke Mastalli-Kelly, Nitish Mehta, Shantanu O. Mundhada, Anirudh Narla, Taewan Noh, Takahiro Tsunoda, Sophia H. Xue, Joseph O. Yuan, Luigi Frunzio, Jose Aumentado, Shruti Puri, Steven M. Girvin, S. Harvey Moseley Jr., Robert J. Schoelkopf. Nat. Phys. 20, 1454–1460 (2024). DOI:10.1038/s41567-024-02539-4. 

2023

Characterization of microwave loss using multi-mode superconducting resonators. Chan U Lei, Suhas Ganjam, Lev Krayzman, Archan Banerjee, Kim Kisslinger, Sooyeon Hwang, Luigi Frunzio, Robert J. Schoelkopf, Phys. Rev. Applied 20, 024045. DOI:10.1103/PhysRevApplied.20.024045

High-fidelity parametric beamsplitting with a parity-protected converter. Yao Lu, Aniket Maiti, John W. O. Garmon, Suhas Ganjam, Yaxing Zhang, Jahan Claes, Luigi Frunzio, S. M. Girvin, and Robert J. Schoelkopf,  Nat Commun 14, 5767. DOI:10.1038/s41467-023-41104-0

Error-detectable bosonic entangling gates with a noisy ancilla. Takahiro Tsunoda, James D. Teoh, William D. Kalfus, Stijn J. de Graaf, Benjamin J. Chapman, Jacob C. Curtis, Neel Thakur, Steven M. Girvin, and Robert J. Schoelkopf. PRX Quantum 4, 020354 (2023). DOI:10.1103/PRXQuantum.4.020354.

Dual-rail encoding with superconducting cavities. James D. Teoh, Patrick Winkel, Harshvardhan K. Babla, Benjamin J. Chapman, Jahan Claes, Stijn J. de Graaf, John W.O. Garmon, William D. Kalfus, Yao Lu, Aniket Maiti, Kaavya Sahay, Neel Thakur, Takahiro Tsunoda, Sophia H. Xue, Luigi Frunzio, Steven M. Girvin, Shruti Puri, Robert J. Schoelkopf. PNAS 120 (41) e2221736120.  DOI: 10.1073/pnas.222173612.

High on-off ratio beamsplitter interaction for gates on bosonically encoded qubits. Benjamin J. Chapman, Stijn J. de Graaf, Sophia H. Xue, Yaxing Zhang, James Teoh, Jacob C. Curtis, Takahiro Tsunoda, Alec Eickbusch, Alexander P. Read, Akshay Koottandavida, Shantanu O. Mundhada, Luigi Frunzio, M. H. Devoret, S. M. Girvin, R. J. Schoelkopf. PRX Quantum 4, 020355. DOI:10.1103/PRXQuantum.4.020355.

Acoustic radiation from a superconducting qubit: From spontaneous emission to Rabi oscillations. Vijay Jain, Vladislav D. Kurilovich, Yanni D. Dahmani, Chan U Lei, David Mason, Taekwan Yoon, Peter T. Rakich, Leonid I. Glazman, Robert J. Schoelkopf. Phys. Rev. Applied 20, 014018. DOI:10.1103/PhysRevApplied.20.014018

Real-time quantum error correction beyond break-even. V. V. Sivak, A. Eickbusch, B. Royer, S. Singh, I. Tsioutsios, S. Ganjam, A. Miano, B. L. Brock, A. Z. Ding, L. Frunzio, S. M. Girvin, R. J. Schoelkopf, and M. H. Devoret.  Nature. DOI:10.1038/s41586-023-05782-6

Simultaneous Brillouin and piezoelectric coupling to high-frequency bulk acoustic resonator. Taekwan Yoon, David Mason, Vijay Jain, Yiwen Chu, Prashanta Kharel, William H. Renninger, Liam Collins, Luigi Frunzio, Robert J Schoelkopf, Peter T Rakich.  DOI: 10.1364/OPTICA474022

Precision measurement of the microwave dielectric loss of sapphire in the quantum regime with parts-per-billion sensitivity Alexander P. Read, Benjamin J. Chapman, Chan U Lei, Jacob C. Curtis, Suhas Ganjam, Lev Krayzman, Luigi Frunzio, and Robert J. Schoelkopf, Phys. Rev. Applied 19, 034064. DOI: 10.1103/PhysRevApplied.19.034064

Observation of wave-packet branching through an engineered conical intersection. Christopher S. Wang, Nicholas E. Frattini, Benjamin J. Chapman, Shruti Puri, S. M. Girvin, Michel H. Devoret, and Robert J. Schoelkopf. Phys. Rev. X 13, 011008.  DOI:10.1103/PhysRevX.13.011008.

2022

Ac losses in field-cooled type I superconducting cavities G. Catelani, K. Li, C. J. Axline, T. Brecht, L. Frunzio, R. J. Schoelkopf, and L.I. Glazman,  Supercond. Sci. Technol. 35, 065016. (2022). DOI: 10.1088/1361-6668/ac636d

Fast Universal Control of an Oscillator with Weak Dispersive Coupling to a Qubit, Alec Eickbusch, Volodymyr Sivak, Andy Z. Ding, Salvatore S. Elder, Shantanu R. Jha, Jayameenakshi Venkatraman, Baptiste Royer, S.M. Girvin, Robert J. Schoelkopf, and Michel H. Devoret. Nature Physics, 18, 1464–1469 (2022). DOI:10.1038/s41567-022-01776-9

Drive-induced nonlinearities of cavity modes coupled to a transmon ancilla Yaxing Zhang, Jacob C. Curtis, Christopher S. Wang, R. J. Schoelkopf, S.M. Girvin, Phys. Rev. A 105, 022423. (2022) DOI: 10.1103/PhysRevA.105.022423

2021

Quantum control of bosonic modes with superconducting circuits. Wen-Long Ma, Shruti Puri, Robert J. Schoelkopf, Michel H. Devoret, S. M. Girvin, and Liang Jiang, Science Bulletin. (2021).  DOI: 10.1016/j.scib.2021.05.024.

Single-shot number-resolved detection of microwave photons with error mitigation. Jacob C. Curtis, Connor T. Hann, Salvatore S. Elder, C.S. Wang, Luigi Frunzio, Liang Jiang, and Robert J. Schoelkopf. Phys. Rev. A 103, 023705. DOI:10.1103/PhysRevA.103.023705. [arXiv:2010.0481].

Error-detected state transfer and entanglement in a superconducting quantum network. L. Burkhart, J. Teoh, Yaxing Zhang, C. Axline, L. Frunzio, M.H. Devoret, L. Jiang, S. Girvin, R.J. Schoelkopf. PRX Quantum 2, 030321. (2021). DOI: 10.1103/PRXQuantum.2.030321

2020

High coherence superconducting microwave cavities with indium bump bonding. C. Lei, L. Krayzman, S. Ganjam, L. Frunzio, R. Schoelkopf. Applied Physics Letters, 116, 15, 154002. DOI: 10.1063/5.0003907. [arXiv:2001.09216].

Path-Independent Quantum Gates with Noisy Ancilla. W-L. Ma, M. Zhang, Y. Wong, K. Noh, S. Rosenblum, P. Reinhold, R.J. Schoelkopf, and L. Jiang, Phys. Rev. Lett. 125, 110503. (2020). DOI: 10.1103/PhysRevLett.125.110503.

Free-standing silicon shadow masks for transmon qubit fabrication. I. Tsioutsios, K. Serniak, S. Diamond, Z. Wang, S. Shankar, L. Frunzio, R. J. Schoelkopf, M. H. Devoret,  AIP Advances, 10, 065120. DOI: 10.1063/1.5138953. [arXiv:1911.05924].

Efficient Multiphoton Sampling of Molecular Vibronic Spectra on a Superconducting Bosonic Processor. C. S. Wang, J. C. Curtis, B. J. Lester, Y. Zhang, Y. Y. Gao, J. Freeze, V. S. Batista, P. H. Vaccaro, I. L. Chuang, L. Frunzio, L. Jiang, S.M. Girvin, R. J. Schoelkopf, Phys. Rev. X 10, 021060. DOI:10.1103/PhysRevX.10.021060. [arXiv:1908.03598].

Error-corrected gates on an encoded qubit. P. Reinhold, S. Resenblum, W-L Ma, L. Frunzio, L. Jiang, R. Schoelkopf. Nature Physics, Volume 16, 822-826. (2020). DOI:10.1038/s41567-020-0931-8. [arXiv:1907.12327]. 

High-fidelity measurement of qubits encoded in multilevel superconducting circuits. S.S. Elder, C.S. Wang, P. Reinhold, C.T. Hann, K. Chou, B. Lester, S. Rosenblum, L. Frunzio, L. Jiang, R. Schoelkopf. Phys. Rev. X 10, 011001. DOI:10.1103/PhysRevX.10.011001. [arXiv:1908.01869].

Quantum error correction of a qubit encoded in grid states of an oscillator. P. Campagne-Ibarcq, A. Eickbusch, S. Touzard, E. Zalys-Geller, N. Frattini, V.V. Sivak, P. Reinhold, S. Puri, S. Shankar, R. Schoelkopf, L. Frunzio, M. Mirrahimi, M.H. Devoret. Nature 584, 368–372 (2020). DOI:10.1038/s41586-020-2603-3. arXiv:1907.12487.

2019

Engineering bilinear mode coupling in circuit QED: theory and experiment. Y. Zhang, B. Lester, Y. Gao, L. Jiang, R. Schoelkopf, S. Girvin. Physical Review A, 99, 012314. DOI: 10.1103/PhysRevA.99.012314

Hardware-efficient quantum random access memory with hybrid quantum acoustic systems. C. T. Hann, C.L. Zou, Y. Zhang, Y. Chu, R.J. Schoelkopf, S.M. Girvin, L. Jiang. Phys. Rev. Lett. 123, 250501. DOI:10.1103/PhysRevLett.123.250501.[arXiv:1906.11340]

Entanglement of bosonic modes through an engineered exchange interaction. Y. Gao, B. Lester, K. Chou, L. Frunzio, M. Devoret, L. Jiang, S. Girvin, R. Schoelkopf. Nature, 566, 509-512. DOI: 10.1038/s41586-019-0970-4

Direct Dispersive Monitoring of Charge Parity in Offset-Charge-Sensitive Transmons. K. Serniak, S. Diamond, M. Hays, V. Fatemi, S. Shankar, L. Frunzio, R. Schoelkopf, M. Devoret. Phys. Rev. Applied, 12, 014052. DOI: 10.1103/PhysRevApplied.12.014052. [arXiv:1903.00113].

To catch and reverse a quantum jump mid-flight. Z.K. Minev, S.O. Mundhada, S. Shankar, P. Reinhold, R. Gutierrez-Jauregui, R.J. Schoelkopf, M. Mirrahimi, H.J. Carmichael, M.H. Devoret. Nature, 570, 200-204. DOI: 10.1038/s41586-019-1287-z

2018

On-demand quantum state transfer and entanglement between remote microwave cavity memories. C. Axline, L. Burkhart, W. Pfaff, M. Zhang, K. Chou, P. Campagne-Ibarcq, P. Reinhold, L. Frunzio, S.M. Girvin, L. Jiang, M.H. Devoret, R.J. Schoelkopf. Nature Physics, 14, 705-710. DOI: 10.1038/s41567-018-0115-y

Programmable interference between two microwave quantum memories. Y.Y. Gao, B.J. Lester, Y. Zhang, C. Wang, S. Rosenblum, L. Frunzio, L. Jiang, S.M. Girvin, R.J. Schoelkopf. Phys. Rev. X, 8, 021073. DOI: 10.1103/PhysRevX.8.021073

Deterministic remote entanglement of superconducting circuits through microwave two-photon transitions. P. Campagne-Ibarcq, E. Zalys-Geller, A. Narla, S. Shankar, P. Reinhold, L. Burkhart, C. Axline, W. Pfaff, L. Frunzio, R. Schoelkopf, M. Devoret. Phys. Rev. Lett., 120, 200501. DOI: 10.1103/PhysRevLett.120.200501 

A CNOT gate between multiphoton qubits encoded in two cavities. S. Rosenblum, Y.Y. Gao, P. Reinhold, C. Wang, C.J. Axline, L. Frunzio, S.M. Girvin, L. Jiang, M. Mirrahimi, M.H. Devoret, R. Schoelkopf. Nature Communications, 9, 652. DOI: 10.1038/s41467-018-03059-5

Fault-tolerant detection of a quantum error. S. Rosenblum, P. Reinhold, M. Mirrahimi, L. Jiang, L. Frunzio, R.J. Schoelkopf. Science, 361, 6399, pp. 266-270. DOI: 10.1126/science.aat3996 

Deterministic teleportation of a quantum gate between two logical qubits. K.S. Chou, J.Z. Blumoff, C.S. Wang, P.C. Reinhold, C.J. Axline, Y.Y. Gao, L. Frunzio, M.H. Devoret, L. Jiang, R. Schoelkopf. Nature, 561, 368-373. DOI: 10.1038/s41586-018-0470-y

Robust readout of bosonic qubits in the dispersive coupling regime. C. Hann, S. Elder, C. Wang, K. Chou, R. Schoelkopf, L. Jiang. Physical Review A, 98, 022305.DOI: 10.1103/PhysRevA.98.022305

Ultra-high-Q phononic resonators on-chip at cryogenic temperatures. P. Kharel, Y. Chu, M. Power, W.H. Renninger, R. Schoelkopf, P.T. Rakich. APL Photonics, 3, 066101. DOI: 10.1063/1.5026798

Creation and control of multi-phonon Fock states in a bulk acoustic-wave resonator. Y. Chu, P. Kharel, T. Yoon, L. Frunzio, P. Rakich, R.J. Schoelkopf. Nature, 563, 666-670. DOI: 10.1038/s41586-018-0717-7

Hot Nonequilibrium Quasiparticles in Transmon Qubits. K. Serniak, M. Hays, G. de Lange, S. Diamond, S. Shankar, L. Burkhart, L. Frunzio, M. Houzet, M. H. Devoret. Physical Review Letters, 121, 15, 157701. DOI: 10.1103/PhysRevLett.121.157701

Coherent oscillations in a quantum manifold stabilized by dissipation. S. Touzard, A. Grimm, Z. Leghtas, S.O. Mundhada, P. Reinhold, R. Heeres, C. Axline, M. Reagor, K. Chou, J. Blumoff, K.M. Sliwa, S. Shankar, L. Frunzio, R.J. Schoelkopf, M. Mirrahimi, M.H. Devoret. Physical Review X, 8, 021005. DOI:10.1103/PhysRevX.8.02100

2017

Optimal configurations for normal-metal traps in transmon qubits. A. Hosseinkhani, R.-P. Riwar, R.J. Schoelkopf, L.I. Glazman, G. Catelani. Phys. Rev. Applied, 8, 064028. DOI: 10.1103/PhysRevApplied.8.064028 

Quantum acoustics with superconducting qubits. Y. Chu, P. Kharel, W. Renninger, L.D. Burkhart, L. Frunzio, P. Rakich, R. Schoelkopf. Science, 358, 6360, pp. 199-202. DOI: 10.1126/science.aao1511

Full text: http://science.sciencemag.org/cgi/content/full/science.aao1511?ijkey=84xMTvoUm3O9.&keytype=ref&siteid=sci

Faithful conversion of propagating quantum information to mechanical motion. A.P. Reed, K.H. Mayer, J.D. Teufel, L.D. Burkhart, W. Pfaff, M. Reagor, L. Sletten, X. Ma, R.J. Schoelkopf, E. Knill, K.W. Lehnert. Nature Physics, 13, 1163-1167. DOI: 10.1038/nphys4251

Micromachined integrated quantum circuit containing a superconducting qubit. T. Brecht, Y. Chu, C. Axline, W. Pfaff, J. Blumoff, K. Chou, L. Krayzman, L. Frunzio, R. Schoelkopf. Physical Review Applied, 7, 044018. 

Erratum: Phys. Rev. Applied 8, 039902. DOI: 10.1103/PhysRevApplied.7.044018

Quantum Channel Construction with Circuit Quantum Electrodynamics. C. Shen, K. Noh, V. Albert, S. Krastanov, M. Devoret, R. Schoelkopf, S. Girvin, L. Jiang. Physical Review B, 95, 134501. DOI: 10.1103/PhysRevB.95.134501

Controlled release of multiphoton quantum states from a microwave cavity memory. W. Pfaff, C. Axline, L.D. Burkhart, U. Vool, P. Reinhold, L. Frunzio, L. Jiang, M.H. Devoret, R.J. Schoelkopf. Nature Physics, 13, 882-887. DOI: 10.1038/nphys4143

Implementing a Universal Gate Set on a Logical Qubit Encoded in an Oscillator. R.W. Heeres, P. Reinhold, N. Ofek, L. Frunzio, L. Jiang, M. Devoret, R. Schoelkopf. Nature Communications, 8, 94. DOI: 10.1038/s41467-017-00045-1

Quantization of inductively-shunted superconducting circuits. W.C. Smith, A. Kou, U. Vool, I.M. Pop, L. Frunzio, R.J. Schoelkopf, M.H. Devoret. Phys. Rev. B, 94, 14, 144507. DOI: 10.1103/PhysRevB.94.144507

2016

Normal-metal quasiparticle traps for superconducting qubits. R.-P. Riwar, A. Hosseinkhani, L.D. Burkhart, Y.Y. Gao, R.J. Schoelkopf, L.I. Glazman, G. Catelani. Phys. Rev. B, 94, 104516. DOI: 10.1103/PhysRevB.94.104516

Multilayer Microwave Integrated Quantum Circuits for Scalable Quantum Computing. T. Brecht, W. Pfaff, C. Wang, Y. Chu, L. Frunzio, M.H. Devoret, R.J. Schoelkopf. NPJ Quantum Information, 2, 16002. DOI: 10.1038/npjqi.2016.2

Robust Concurrent Remote Entanglement between Two Superconducting Qubits. A. Narla, S. Shankar, M. Hatridge, Z. Leghtas, K.M. Sliwa, E. Zalys-Geller, S.O. Mundhada, W. Pfaff, L. Frunzio, R.J. Schoelkopf, M.H. Devoret. Physical Review X, 6, 031036. DOI: 10.1103/PhysRevX.6.031036

Coupling an ensemble of electrons on superfluid helium to a superconducting circuit. G. Yang, A. Fragner, G. Koolstra, L. Ocola, D.A. Czaplewski, R.J. Schoelkopf, D.I. Schuster. Phys. Rev. X, 6, 011031. DOI: 10.1103/PhysRevX.6.011031

Continuous Quantum Nondemolition Measurement of the Transverse Component of a Qubit. U. Vool, S. Shankar, S.O. Mundhada, N. Ofek, A. Narla, K. Sliwa, E. Zalys-Geller, Y. Liu, L. Frunzio, R. Schoelkopf, S.M. Girvin, M.H. Devoret. Physical Review Letters, 117, 133601.DOI: 10.1103/PhysRevLett.117.133601

Comparing and Combining Measurement-Based and Driven-Dissipative Entanglement Stabilization. Y. Liu, S. Shankar, N. Ofek, M. Hatridge, A. Narla, K.M. Sliwa, L. Frunzio, R.J. Schoelkopf, M.H. Devoret. Phys. Rev. X, 6, 011022. DOI: 10.1103/PhysRevX.6.011022

Suspending superconducting qubits by silicon micromachining. Y. Chu, C. Axline, C. Wang, T. Brecht, Y. Gao, L. Frunzio, R. Schoelkopf. Applied Physics Letters, 109, 11, 112601. DOI: 10.1063/1.4962327

Implementing and Characterizing Precise Multiqubit Measurements. J. Z. Blumoff, K. Chou, C. Shen, M. Reagor, C. Axline, R.T. Brierley, M.P. Silveri, C. Wang, B. Vlastakis, S.E. Nigg, L. Frunzio, M.H. Devoret, L. Jiang, S.M. Girvin, R.J. Schoelkopf. Physical Review X, 6, 031041.DOI: 10.1103/PhysRevX.6.031041

Extending the lifetime of a quantum bit with error correction in superconducting circuits. N. Ofek, A. Petrenko, R. Heeres, P. Reinhold, Z. Leghtas, B. Vlastakis, Y. Liu, L. Frunzio, S. Girvin, L. Jiang, M. Mirrahimi, M.H. Devoret, R.J. Schoelkopf. Nature, 536, 441–445. DOI: 10.1038/nature18949

Quantum Memory with Millisecond Coherence in Circuit QED. M. Reagor, W. Pfaff, C. Axline, R.W. Heeres, N. Ofek, K. Sliwa, E. Holland, C. Wang, J. Blumoff, K. Chou, M. Hatridge, L. Frunzio, L. Jiang, R.J. Schoelkopf. Physical Review, B, 94, 014506. DOI: 10.1103/PhysRevB.94.014506 

A Schrödinger Cat Living in Two Boxes. C. Wang, Y. Gao, P. Reinhold, R.W. Heeres, N. Ofek, K. Chou, C. Axline, M. Reagor, J. Blumoff, K.M. Sliwa, L. Frunzio, S.M. Girvin, L. Jiang, M. Mirrahimi, M. Devoret, R.J. Schoelkopf. Science, 352, 6289, pp. 1087-1091. DOI:10.1126/science.aaf2941

Holonomic Quantum Control with Continuous Variable Systems. Victor Albert, Chi Shu, Stefan Krastanov, Chao Shen, Ren-Bao Liu, Zhen-Biao Yang, Robert Schoelkopf, Mazyar Mirrahimi, Michel Devoret, Liang Jiang. Physical Review Letters, 116, 140502. DOI: 10.1103/PhysRevLett.116.140502

Optimized Tomography of Continuous Variable Systems Using Excitation Counting. C. Shen, R.W. Heeres, P. Reinhold, L. Jiang, Y-K. Liu, R.J. Schoelkopf, L. Jiang. Phys. Rev. A, 94, 052327. DOI: 10.1103/PhysRevA.94.052327

An architecture for integrating planar and 3D cQED devices. C. Axline, M. Reagor, R. Heeres, P. Reinhold, C. Wang, K. Shain, W. Pfaff, Y. Chu, L. Frunzio, R.J. Schoelkopf. Applied Physics Letters, 109, 042601. DOI: 10.1063/1.4959241

Planar Multilayer Circuit Quantum Electrodynamics. Z. Minev, I.M. Pop, Z. Leghtas, K. Sliwa, M.J. Hatridge, L. Frunzio, R. Schoelkopf, M.H. Devoret. Physical Review Applied, 5, 044021. DOI: 10.1103/PhysRevApplied.5.044021

2015

Reconfigurable Josephson Circulator/Directional Amplifier. K.M. Sliwa, M. Hatridge, A. Narla, S. Shankar, L. Frunzio, R.J.Schoelkopf, M. Devoret. Physical Review X, 5, 4, 041020. DOI: 10.1103/PhysRevX.5.041020

Surface Participation and Dielectric Loss in Superconducting Qubits. C. Wang, C. Axline, Y. Gao, T. Brecht, Y. Chu, L. Frunzio, M. Devoret, R. Schoelkopf. Applied Physics Letters, 107, 16, 162601. DOI:10.1063/1.4934486

Single-Photon-Resolved Cross-Kerr Interaction for Autonomous Stabilization of Photon-Number States. E.T. Holland, B. Vlastakis, R.W. Heeres, M.J. Reagor, U. Vool, Z. Leghtas, L. Frunzio, G. Kirchmair, M. H. Devoret, M. Mirrahimi, R.J. Schoelkopf. Physical Review Letters, 115, 180501. DOI: 10.1103/PhysRevLett.115.180501

Universal Control of an Oscillator with Dispersive Coupling to a Qubit. S. Krastanov, V. Albert, C. Shen, C. Zou, R.W. Heeres, B. Vlastakis, R. Schoelkopf, L. Jiang. Physical Review A, 92, 040303. DOI: 10.1103/PhysRevA.92.040303

Confining the State of Light to a Quantum Manifold by Engineered Two-Photon Loss. Z. Leghtas, S. Touzard, I. Pop, A. Kou, B. Vlastakis, A. Petrenko, K. Sliwa, A. Narla, S. Shankar, M. Hatridge, M. Reagor, L. Frunzio, R. Schoelkopf, M. Mirrahimi, M. Devoret. Science, 347, 6224, 853 - 857. DOI:10.1126/science.aaa2085

Characterizing entanglement of an artificial atom and a cavity cat state with Bell’s inequality. Brian Vlastakis, Andrei Petrenko, Nissim Ofek, Luyan Sun, Zaki Leghtas, Katrina Sliwa, Yehan Liu, Michael Hatridge, Jacob Blumoff, Luigi Frunzio, Mazyar Mirrahimi, Liang Jiang, M. Devoret, R. Schoelkopf. Nature Communications, 6, 1, 8970. DOI: 10.1038/ncomms9970 

Demonstration of superconducting micromachined cavities. T. Brecht, M. Reagor, Y. Chu, W. Pfaff, C. Wang, L. Frunzio, M. Devoret, R. Schoelkopf. Applied Physics Letters, 107, 19, 192603. DOI: 10.1063/1.493554

Cavity State Manipulation Using Photon-Number Selective Phase Gates. R.W. Heeres, B. Vlastakis, E. Holland, S. Krastanov, V. Albert, L. Frunzio, L. Jiang, R. Schoelkopf. Physical Review Letters, 115, 13, 137002. DOI: 10.1103/PhysRevLett.115.137002

2014

Tracking Photon Jumps with Repeated Quantum Non-Demolition Parity Measurements. L. Sun, A. Petrenko, Z. Leghtas, B. Vlastakis, G. Kirchmair, K. Sliwa, A. Narla, M. Hatridge, S. Shankar, J. Blumoff, L. Frunzio, M. Mirrahimi, M. Devoret, R. Schoelkopf. Nature, 511, 7510, 444 - 448.  DOI: 10.1038/nature13436

Measurement and Control of Quasiparticle Dynamics in a Superconducting Qubit. C. Wang, Y. Gao, I. Pop, U. Vool, C. Axline, T. Brecht, R. Heeres, L. Frunzio, M. Devoret, G. Catelani, L. Glazman, R. Schoelkopf. Nature Communications, 5, 5836. DOI: 10.1038/ncomms6836

Dynamically Protected Cat-Qubits: a New Paradigm for Universal Quantum Computation. M. Mirrahimi, Z. Leghtas, V. Albert, S. Touzard, R. Schoelkopf, L. Jiang, M. Devoret. New Journal of Physics, 16, 4, 045014. DOI: 10.1088/1367-2630/16/4/045014

Josephson Directional Amplifier for Quantum Measurement of Superconducting Circuits. B. Abdo, K. Sliwa, S. Shankar, M. Hatridge, L. Frunzio, R. Schoelkopf, M. Devoret. Physical Review Letters, 112, 167701. DOI: 10.1103/PhysRevLett.112.167701

Coherent Suppression of Electromagnetic Dissipation Due to Superconducting Quasiparticles. Ioan Pop, Kurtis Geerlings, Gianluigi Catelani, Robert Schoelkopf, Leonid Glazman, Michel Devoret. Nature, 508, 7496, 369 - 372. DOI: 10.1038/nature13017

Non-Poissonian Quantum Jumps of a Fluxonium Qubit due to Quasiparticle Excitations. U. Vool,  M. Pop, K. Sliwa, B. Abdo, C. Wang, T. Brecht,  Y. Gao, S. Shankar, M. Hatridge, G. Catelani, M. Mirrahimi, L. Frunzio,  J. Schoelkopf,  I. Glazman,  H. Devoret. Physical Review Letters, 113, 247001. DOI: 10.1103/PhysRevLett.113.247001

2013

Reaching 10 ms Single Photon Lifetihttps://rsl.yale.edu/publications-newmes for Superconducting Aluminum Cavities. M. Reagor, H. Paik, G. Catelani, L. Sun, C. Axline, E. Holland, I. Pop, N. Masluk, T. Brecht, L. Frunzio, M. Devoret, L. Glazman, R. Schoelkopf. Applied Physics Letters, 102, 19, 192604. DOI: 10.1063/1.4807015

Superconducting Circuits for Quantum Information: An Outlook. M. Devoret, R. Schoelkopf. Science, 339, 6124, 1169 - 1174. DOI: 10.1126/science.1231930

Quantum Back-Action of an Individual Variable-Strength Measurement. M. Hatridge, S. Shankar, M. Mirrahimi, F. Schackert, K. Geerlings, T. Brecht, K. Sliwa, B. Abdo, L. Frunzio, S. Girvin, R. Schoelkopf, M. Devoret. Science, 339, 6116, 178 - 181. DOI: 10.1126/science.1226897

Deterministically Encoding Quantum Information Using 100-Photon Schrodinger Cat States. B. Vlastakis, G. Kirchmair, Z. Leghtas, S. Nigg, L. Frunzio, S. Girvin, M. Mirrahimi, M. Devoret, R. Schoelkopf. Science, 342, 6158, 607 - 610. DOI: 10.1126/science.1243289.

Hardware-Efficient Autonomous Quantum Memory Protection. Z. Leghtas, G. Kirchmair, B. Vlastakis, R. Schoelkopf, M. Devoret, M. Mirrahimi. Physical Review Letters, 111, 120501. DOI: 10.1103/PhysRevLett.111.120501.

Deterministic protocol for mapping a qubit to coherent state superpositions in a cavity Zaki Leghtas, Gerhard Kirchmair, Brian Vlastakis, Michel Devoret, Robert Schoelkopf, Mazyar Mirrahimi. Physical Review A, 87, 042315. DOI: 10.1103/PhysRevA.87.042315.

Observation of Quantum State Collapse and Revival Due to the Single-Photon Kerr Effect. G. Kirchmair, B. Vlastakis, Z. Leghtas, S. Nigg, H. Paik, E. Ginossar, M. Mirrahimi, L. Frunzio, S. Girvin, R. Schoelkopf. Nature, 495, 205 - 209. DOI: 10.1038/nature11902.

Demonstrating a Driven Reset Protocol for a Superconducting Qubit. K. Geerlings, Z. Leghtas, I. Pop, S. Shankar, L. Frunzio, R. Schoelkopf, M. Mirrahimi, M. Devoret. Physical Review Letters, 110, 120501. DOI: 10.1103/PhysRevLett.110.120501.

2012

Photon Shot Noise Dephasing in the Strong-Dispersive Limit of Circuit QED. A. Sears, A. Petrenko, G. Catelani, L. Sun, Hanhee Paik, G. Kirchmair, L. Frunzio, L. Glazman, S. Girvin, R. Schoelkopf. Physical Review B, 86, 180504(R). DOI: 10.1103/PhysRevB.86.180504.

Decoherence of Superconducting Qubits Caused by Quasiparticle Tunneling. G. Catelani, S. Nigg, S. Girvin, R. Schoelkopf, L. Glazman. Physical Review B, 86, 184514. DOI: 10.1103/PhysRevB.86.184514.

Black-Box Superconducting Circuit Quantization. S. Nigg, H. Paik, B. Vlastakis, G. Kirchmair, S. Shankar, L. Frunzio, M. Devoret, R. Schoelkopf, S. Girvin. Physical Review Letters, 108, 240502. DOI: 10.1103/PhysRevLett.108.240502.

Realization of Three-Qubit Quantum Error Correction with Superconducting Circuits. M. Reed, L. DiCarlo, S. Nigg, L. Sun, L. Frunzio, S. Girvin, R. Schoelkopf. Nature, 482, 382 - 385. DOI: 10.1038/nature10786.

Improving the Quality Factor of Microwave Compact Resonators by Optimizing their Geometrical Parameters. K. Geerlings, S. Shankar, E. Edwards, L. Frunzio, R. Schoelkopf, M. Devoret. Applied Physics Letters, 100, 192601. DOI: 10.1063/1.4710520.

Measurements of Quasiparticle Tunneling Dynamics in a Band-Gap-Engineered Transmon Qubit. L. Sun, L. DiCarlo, M. Reed, G. Catelani, Lev Bishop, D. Schuster, B. Johnson, Ge Yang, L. Frunzio, L. Glazman, M. Devoret, R. Schoelkopf. Physical Review Letters, 108, 230509. DOI: 10.1103/PhysRevLett.108.230509

2011

Cavity QED in a Molecular Ion Trap. D. Schuster, Lev Bishop, I. Chuang, D. DeMille, R. Schoelkopf. Physical Review A, 83, 012311. DOI: 10.1103/PhysRevA.83.012311.

Observation of High Coherence in Josephson Junction Qubits Measured in a Three-Dimensional Circuit QED Architecture. Hanhee Paik, D. Schuster, Lev Bishop, G. Kirchmair, G. Catelani, A. Sears, B. Johnson, M. Reagor, L. Frunzio, L. Glazman, S. Girvin, M. Devoret, R. Schoelkopf. Physical Review Letters, 107, 240501. DOI: 10.1103/PhysRevLett.107.240501.

Relaxation and frequency shifts induced by quasiparticles in superconducting qubits. G. Catelani, R. Schoelkopf, M. Devoret, L. Glazman. Physical Review B, 84, 064517. DOI: 10.1103/PhysRevB.84.064517.

Quasiparticle Relaxation of Superconducting Qubits in the Presence of Flux. G. Catelani, J. Koch, L. Frunzio, R. Schoelkopf, M. Devoret, L. Glazman. Physical Review Letters, 106, 077002. DOI: 10.1103/PhysRevLett.106.077002

2010

Quantum Non-Demolition Detection of Single Microwave Photons in a Circuit. B.R. Johnson, M.D. Reed, A.A. Houck, D.I. Schuster, L.S. Bishop, E. Ginossar, J.M. Gambetta, L. DiCarlo, L. Frunzio, S.M. Girvin, R.J. Schoelkopf, Nature Physics, 6, 663-667.  DOI: 10.1038/Nphys1710.

Phase-Preserving Amplification near the Quantum Limit with a Josephson Ring Modulator. N. Bergeal, F. Schackert, M. Metcalfe, R. Vijay, V.E. Manucharyan, L. Frunzio, D.E. Prober, R.J. Schoelkopf, S.M. Girvin, M.H. Devoret, Nature, 465, 64-68. DOI: 10.1038/nature09035.

Optimized driving of superconducting artificial atoms for improved single-qubit gates. J. Chow, L. DiCarlo, J. Gambetta, F. Motzoi, L. Frunzio, S. Girvin, R. Schoelkopf. Physical Review A, 82, 040305(R). DOI: 10.1103/PhysRevA.82.040305.

Preparation and measurement of three-qubit entanglement in a superconducting circuit. L. DiCarlo, M. Reed, L. Sun, B. Johnson, J. Chow, J. Gambetta, L. Frunzio, S. Girvin, M. Devoret, R. Schoelkopf. Nature, 467, 574 - 578. DOI: 10.1038/nature09416.

High-Cooperativity Coupling of Electron-Spin Ensembles to Superconducting Cavities. D. Schuster, A. Sears, E. Ginossar, L. DiCarlo, L. Frunzio, J. Morton, H. Wu, G. Briggs, B. Buckley, D. Awschalom, R. Schoelkopf. Physical Review Letters, 105, 140501. DOI: 10.1103/PhysRevLett.105.140501.

Storage of Multiple Coherent Microwave Excitations in an Electron Spin Ensemble. Hua Wu, Richard George, Janus Wesenberg, Klaus Mølmer, David Schuster, Robert Schoelkopf, Kohei Itoh, Arzhang Ardavan, John Morton, Andrew Briggs. Physical Review Letters, 105, 140503. DOI:10.1103/PhysRevLett.105.140503.

Proposal for Manipulating and Detecting Spin and Orbital States of Trapped Electrons on Helium Using Cavity Quantum Electrodynamics. D. Schuster, A. Fragner, M. Dykman, S. A. Lyon, R. J. Schoelkopf. Physical Review Letters, 105, 040503. DOI: 10.1103/PhysRevLett.105.040503.

Detecting highly entangled states with a joint qubit readout. J. Chow, L. DiCarlo, J. Gambetta, A. Nunnenkamp, Lev Bishop, L. Frunzio, M. Devoret, S. Girvin, R. Schoelkopf. Physical Review A, 81, 062325. DOI: 10.1103/PhysRevA.81.062325.

Introduction to QuantumNoise, Measurement, and Amplification. A. A. Clerk, M. H. Devoret, S. M. Girvin, Florian Marquardt, R. J. Schoelkopf. Reviews of Modern Physics, 82, 1155 - 1208. DOI: 10.1103/RevModPhys.82.1155.

Analog Information Processing at the Quantum Limit with a Josephson Ring Modulator. N. Bergeal, R. Vijay, V. Manucharyan, I. Siddiqi, R. Schoelkopf, S. Girvin, M. Devoret. Nature Physics, 6, 296 - 302. DOI: 10.1038/nphys1516.

High-Fidelity Readout in Circuit Quantum Electrodynamics Using the Jaynes-Cummings Nonlinearity M. Reed, L. DiCarlo, B. Johnson, L. Sun, D. Schuster, L. Frunzio, R. Schoelkopf. Physical Review Letters, 105, 173601. DOI: 10.1103/PhysRevLett.105.173601.

Fast reset and suppressing spontaneous emission of a superconducting qubit. M. Reed, B. Johnson, A. Houck, L. DiCarlo, J. Chow, D. Schuster, L. Frunzio, R. Schoelkopf. Applied Physics Letters, 96, 203110. DOI: 10.1063/1.3435463

2009

Circuit QED and engineering charge-based superconducting qubits. S.M. Girvin, M.D. Devoret, R. J. Schoelkopf. Physica Scripta, T137, 014012. DOI: 10.1088/0031-8949/2009/T137/014012.

Quantum Computing with an Electron Spin Ensemble. J. Wesenberg, A. Ardavan, G. Briggs, J. Morton, R. Schoelkopf, D. Schuster, K. Mølmer. Physical Review Letters, 103, 070502. (2009). DOI: 10.1103/PhysRevLett.103.070502.

Life after Charge Noise: Recent Results with Transmon Qubits. A. Houck, Jens Koch, M. Devoret, S. Girvin, R. Schoelkopf. Quantum Information Processing, 8, 105 - 115. DOI: 10.1007/s11128-009-0100-6.

Randomized Benchmarking and Process Tomography for Gate Errors in a Solid-State Qubit. J. Chow, J. Gambetta, L. Tornberg, Jens Koch, Lev Bishop, A. Houck, B. Johnson, L. Frunzio, S. Girvin, R. Schoelkopf. Physical Review Letters, 102, 090502. Erratum: Phys.Rev. Lett. 102, 119901. DOI: 10.1103/PhysRevLett.102.090502.

Nonlinear Response of the Vacuum Rabi Resonance. Lev Bishop, J. M. Chow, Jens Koch, A. A. Houck, M.  H. Devoret, E. Thuneberg, S. M. Girvin, R. J. Schoelkopf.  Nature Physics, 5, 105 - 109. DOI: 10.1038/nphys1154.

Demonstration of two-qubit algorithms with a superconducting quantum processor. L. DiCarlo, J. Chow, J. Gambetta, Lev Bishop, B. Johnson, D. Schuster, J. Majer, A. Blais, L. Frunzio, S. Girvin, R. Schoelkopf. Nature, 460, 240 - 244. DOI: 10.1038/nature08121

Proposal for generating and detecting multi-qubit GHZ states in circuit QED. Lev Bishop, L Tornberg, D Price, E Ginossar, A Nunnenkamp, A Houck, J Gambetta, Jens Koch, G Johansson, S Girvin, R Schoelkopf. New Journal of Physics, 11, 7, 073040. DOI: 10.1088/1367-2630/11/7/073040

2008

Suppressing Charge Noise Decoherence in Superconducting Charge Qubits. J. Schreier, A. Houck, Jens Koch, D. Schuster, B. Johnson, J. Chow, J. Gambetta, J. Majer, L. Frunzio, M. Devoret, S. Girvin, R. Schoelkopf. Physical Review B, 77, 180502(R). DOI: 10.1103/PhysRevB.77.180502.

Wiring up quantum systems. R. Schoelkopf, S. Girvin. Nature, 451, 664 - 669. DOI: 10.1038/451664a

Controlling the Spontaneous Emission of a Superconducting Transmon Qubit. A. Houck, J. Schreier, B. Johnson, J. Chow, Jens Koch, J. Gambetta, D. Schuster, L. Frunzio, M. Devoret, S. Girvin, R. Schoelkopf. Physical Review Letters, 101, 080502. DOI: 10.1103/PhysRevLett.101.080502

2007

Observation of Berry’s Phase in a Solid-State Qubit. P.J. Leek, J.M. Fink, A. Blais, R. Bianchetti, M. Goppl, J.M. Gambetta, D.I. Schuster, L. Frunzio, R.J. Schoelkopf, A. Wallraff,  Science, 318  1889-1892.  DOI: 10.1126/science.1149858.

Generating Single Microwave Photons in a Circuit. A.A. Houck, D.I. Schuster, J.M. Gambetta, J.A. Schreier, B.R. Johnson, J.M. Chow, L. Frunzio, J. Majer, M.H. Devoret, S.M. Girvin, R.J. Schoelkopf, Nature, 449, 328-331. DOI: 10.1038/nature06126.

Resolving Photon Number States in a Superconducting Circuit. D.I. Schuster, A.A. Houck, J.A. Schreier, A. Wallraff, J.M. Gambetta, A. Blais, L. Frunzio, J. Majer, B. Johnson, M.H. Devoret, S.M. Girvin, R.J. Schoelkopf, Nature, 445, 515-518.  DOI: 10.1038/nature05461.

Coupling Superconducting Qubits via a Cavity Bus. J. Majer, J. Chow, J. Gambetta, Jens Koch, B. Johnson, J. Schreier, L. Frunzio, D. Schuster, A. Houck, A. Wallraff, A. Blais, M. Devoret, S. Girvin, R. Schoelkopf. Nature, 449, 443 - 447. DOI: 10.1038/nature06184.

Measuring the Decoherence of a Quantronium Qubit with the Cavity Bifurcation Amplifier. M. Metcalfe, E. Boaknin, V. Manucharyan, R. Vijay, I. Siddiqi, C. Rigetti, L. Frunzio, R. Schoelkopf, M. Devoret. Physical Review B, 76, 174516. DOI: 10.1103/PhysRevB.76.174516.

Charge-insensitive Qubit Design Derived from the Cooper Pair Box. Jens Koch, Terri Yu, Jay Gambetta, A. Houck, D. Schuster, J. Majer, Alexandre Blais, M. Devoret, S. Girvin, R. Schoelkopf. Physical Review A, 76, 042319. DOI: 10.1103/PhysRevA.76.042319.

Protocols for Optimal Readout of Qubits Using a Continuous Quantum Nondemolition Measurement. Jay Gambetta, W. A. Braff, A. Wallraff, S. M. Girvin, R. J. Schoelkopf. Physical Review A, 76, 012325. DOI: 10.1103/PhysRevA.76.012325.

Quantum-information Processing with Circuit Quantum Electrodynamics. Alexandre Blais, Jay Gambetta, A. Wallraff, D. I. Schuster, S. M. Girvin, M. H. Devoret, R. J. Schoelkopf. Physical Review A, 75, 032329. DOI: 10.1103/PhysRevA.75.032329.

Circuit-QED: How Strong can the Coupling between a Josephson Junction Atom and a Transmission Line Resonator Be? M.H. Devoret, S. Girvin, R. Schoelkopf. Annalen der Physik, 16, 10-11, 767 - 779. DOI: 10.1002/andp.200751910-1109.

Ultrasensitive Quantum-Limited Far-Infrared STJ Detectors. D.E. Prober, J.D. Teufel, C.M. Wilson, L. Frunzio, M. Shen, R.J. Schoelkopf, T.R. Stevenson, E.J. Wollack. IEEE Transactions on Applied Superconductivity, 17, 241 - 245. DOI: 10.1109/TASC.2007.897397.

Sideband Transitions and Two-Tone Spectroscopy of a Superconducting Qubit Strongly Coupled to an On-Chip Cavity. A. Wallraff, D. Schuster, A. Blais, J. Gambetta, J. Schreier, L. Frunzio, M. Devoret, S. Girvin, R. Schoelkopf. Physical Review Letters, 99, 050501. DOI: 10.1103/PhysRevLett.99.050501

2006

Hybrid Quantum Processors: Molecular Ensembles as Quantum Memory for Solid State Circuits. P. Rabl, D. DeMille, J. M. Doyle, M. D. Lukin, R. J. Schoelkopf, P. Zoller. Physical Review Letters, 97, 033003. DOI: 10.1103/PhysRevLett.97.033003

Shot Noise Thermometry Down to 10 mK. Lafe Spietz, R. J. Schoelkopf, Patrick Pari. Applied Physics Letters, 89, 183123. DOI: 10.1063/1.2382736

Dispersive Measurements of Superconducting Qubit Coherence with a Fast Latching Readout. I. Siddiqi, R. Vijay, M. Metcalfe, E. Boaknin, L. Frunzio, R. J. Schoelkopf, M. H.  Devoret. Physical Review B, 73, 054510. DOI: 10.1103/PhysRevB.73.054510

Quasiparticle dynamics and a new, high-resolution readout of STJ photon detectors. Daniel Prober, John Teufel, Luigi Frunzio, Christopher Wilson, Robert Schoelkopf. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 559, 676 - 679. DOI: 10.1016/j.nima.2005.12.101

Hybrid Quantum Information Processing with Polar Molecules. A. Andre, D. DeMille, J. Doyle, M. Lukin, S. Maxwell, P. Rabl, R. Schoelkopf, P. Zoller. ATOhybMIC PHYSICS 20: XX International Conference on Atomic Physics - ICAP 2006 AIP Conference Proceedings. DOI: 10.1063/1.2400642

A Coherent All-electrical Interface Between Polar Molecules and Mesoscopic Superconducting Resonators. A. André, D. DeMille, J. M. Doyle, M. D. Lukin, S. E. Maxwell, P. Rabl, R. J. Schoelkopf, P. Zoller. Nature Physics, 2, 636 - 642. DOI: 10.1038/nphys386

Qubit-photon Interactions in a Cavity: Measurement-Induced Dephasing and Number Splitting. Jay Gambetta, Alexandre Blais, D. I. Schuster, A. Wallraff, L. Frunzio, J. Majer, M. H. Devoret, S. M. Girvin, R. J. Schoelkopf. Physical Review A, 74, 042318. DOI: 10.1103/PhysRevA.74.042318

2005

Backaction Effects of a SSET Measuring a Qubit Spectroscopy and Ground State Measurement. B. Turek, J. Majer, A. Clerk, S. Girvin, A. Wallraff, K. Bladh, D. Gunnarsson, T. Duty, P. Delsing, R. Schoelkopf. IEEE Transactions on Applied Superconductivity, 15, 880 - 883. DOI: 10.1109/TASC.2005.850096

Single-electron Transistor Backaction on the Single-electron Box. B. A.Turek, K. W. Lehnert, A. Clerk, D. Gunnarsson, K. Bladh, P. Delsing, R. J. Schoelkopf. Physical Review B, 71, 193304. DOI: 10.1103/PhysRevB.71.193304

Diffusion-Engineered Quasiparticle Multiplication for STJ Single Photon Detectors. V.A. Savu, C.M. Wilson, L. Frunzio, D.E. Prober, R.J. Schoelkopf. IEEE Transactions on Applied Superconductivity, 15, 609 - 612. DOI: 10.1109/TASC.2005.849956

ac Stark Shift and Dephasing of a Superconducting Qubit Strongly Coupled to a Cavity Field. D. I. Schuster, A. Wallraff, A. Blais, L. Frunzio, R.-S. Huang, J. Majer, S. M.  Girvin, R. J. Schoelkopf. Phys. Rev. Lett., 94, 123602. DOI: 10.1103/PhysRevLett.94.123602

Fabrication and Characterization of Superconducting Circuit QED Devices for Quantum Computation. L. Frunzio, A. Wallraff, D. Schuster, J. Majer, R. Schoelkopf. IEEE Transactions on Applied Superconductivity, 15, 2, 860 - 863. DOI: 10.1109/TASC.2005.850084

Direct Observation of Dynamical Bifurcation between Two Driven Oscillation States of a Josephson Junction. I. Siddiqi, R. Vijay, F. Pierre, C. M. Wilson, L. Frunzio, M. Metcalfe, C. Rigetti, R.J. Schoelkopf, M.H. Devoret, D. Vion, D. Esteve. Phys. Rev. Lett., 94, 027005. DOI: 10.1103/PhysRevLett.94.027005

Approaching Unit Visibility for Control of a Superconducting Qubit with Dispersive Readout. A. Wallraff, D. I. Schuster, A. Blais, L. Frunzio, J. Majer, M. H. Devoret, S. M. Girvin, R. J. Schoelkopf. Phys. Rev. Lett., 95, 060501. DOI: 10.1103/PhysRevLett.95.060501

2004

Cryogenics on a chip. Jukka Pekola, Robert Schoelkopf, Joel Ullom. Physics Today, 57, 5, 41 - 47. DOI: 10.1063/1.1768673

Strong coupling of a single photon to a superconducting qubit using circuit quantum electrodynamics. A. Wallraff, D. I. Schuster, A. Blais, L. Frunzio, R.-S. Huang, J. Majer, S. Kumar, S. M. Girvin, R. J. Schoelkopf. Nature, 431, 162 - 167. DOI: 10.1038/nature02851

Noise performance of the radio-frequency single-electron transistor

Leif Roschier, P. Hakonen, K. Bladh, P. Delsing, K. W. Lehnert, Lafe Spietz, and R.J. Schoelkopf. Journal of Applied Physics, 95, 1274. DOI: 10.1063/1.1635972

Diffusion-engineered single-photon spectrometer for UV/visible detection. V. Savu, L. Li, A. Mukherjee, C.M. Wilson, L. Frunzio, D.E. Prober, R.J. Schoelkopf. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 520, p 237 - 239. DOI: 10.1016/j.nima.2003.11.332

Photon-Mediated Thermal Relaxation of Electrons in Nanostructures. D. R. Schmidt, R. J. Schoelkopf, A. N. Cleland. Phys. Rev. Lett. 93, 045901. DOI: 10.1103/PhysRevLett.93.045901

Cavity Quantum Electrodynamics for Superconducting Electrical Circuits: An Architecture for Quantum Computation. Alexandre Blais, Ren-Shou Huang, Andreas Wallraff, S. M. Girvin, R. J. Schoelkopf. Physical Review A, 69, 062320. DOI: 10.1103/PhysRevA.69.062320

Prospects for Strong Cavity Quantum Electrodynamics with Superconducting Circuits. S.M. Girvin, R.-S. Huang, A. Blais, A. Wallraff, R.J. Schoelkopf. In Quantum Entanglement and Information Procession. Les Houches Summer School Session, 79 (2004) 591, July 2003. ISBN 0-444-51728-6. DOI: 10.1016/S0924-8099(03)80040-9

2003

Microwave oscillations of a nanomagnet driven by a spin-polarized current. S. Kiselev, J. Sankey, I. Krivorotov, N. Emley, R. Schoelkopf, R. Buhrman, D. Ralph. Nature, 425, 380 - 383. DOI: 10.1038/nature01967.

Characterization of a single Cooper pair box. David Gunnarsson, Tim Duty, Kevin Bladh, Rob Schoelkopf, Per Delsing. Physica E: Low-dimensional Systems and Nanostructures, 18, 1-3, 27 - 28. DOI: 10.1016/S1386-9477(02)00942-6.

Qubits as spectrometers of quantum noise. R. J. Schoelkopf, A. A. Clerk, S.M. Girvin, K.W. Lehnart, M. H.  Devoret. Quantum Noise in Mesoscopic Physics, 97, 175-203. DOI: 10.1007/978-94-010-0089-5_9

SPIE Proceedings:Recent progress on photon-counting superconducting detectors for submillimeter astronomy. J. Teufel, Thomas R. Stevenson, W. T. Hsieh, Mary J. Li, K. W. Rhee, Carl Michael Stahle, Ed Wollack, A. Aassime, P. Delsing, P. Wahlgren, Daniel E. Prober, Robert J. Schoelkopf, Thomas Phillips, Jonas Zmuidzinas. Astronomical Telescopes and Instrumentation Millimeter and Submillimeter Detectors for Astronomy. DOI: 10.1117/12.459712(link is external)

Noise and measurement backaction in superconducting circuits: qubits as spectrometers of quantum noise. Robert J. Schoelkopf, A. A. Clerk, S. M. Girvin, Konrad W. Lehnert, M. H. Devoret, Laszlo Kish, Frederick Green, Giuseppe Iannaccone, John Vig. SPIE’s First International Symposium on Fluctuations and NoiseNoise and Information in Nanoelectronics, Sensors, and Standards. DOI: 10.1117/12.488922.

Quantum Charge Fluctuations and the Polarizability of the Single-Electron Box. K. W. Lehnert, B. A. Turek, K. Bladh, L. F. Spietz, D. Gunnarsson, P. Delsing, R. J. Schoelkopf. Phys. Rev. Lett., 91, 106801. DOI: 10.1103/PhysRevLett.91.106801

Fabrication of tunnel junctions for direct detector arrays with single-electron transistor readout using electron-beam lithography. T.R. Stevenson, Wen-Ting Hsieh, M.J. Li, K.W. Rhee, R.J. Schoelkopf, C.M. Stahle, J.D. Teufel. IEEE Transactions on Applied Superconductivity, 13, 1139 - 1142.  DOI: 10.1109/TASC.2003.814175

Measurement of the Excited-State Lifetime of a Microelectronic Circuit. K. W. Lehnert, K. Bladh, L. F. Spietz, D. Gunnarsson, D.I. Schuster, P. Delsing, R.J. Schoelkopf. Phys. Rev. Lett., 90, 027002. DOI: 10.1103/PhysRevLett.90.027002

Primary Electronic Thermometry Using the Shot Noise of a Tunnel Junction. L. Spietz, K.W. Lehnart, I. Siddiqi, R.J. Schoelkopf. Science, 300, 5627, pp. 1929 - 1932. DOI: 10.1126/science.1084647.

2002

Wavelength Division Multiplexing Scheme for Radio-Frequency Single Electron Transistors. T.R. Stevenson, F.A. Pellerano, C.M. Stahle, K. Aidala, R.J. Schoelkopf. AIP Conference Proceedings, Madison, Wisconsin, 605, 289. (2002).  DOI: 10.1063/1.1457648

Multiplexing of radio-frequency single-electron transistors. T. Stevenson, F. Pellerano, C. Stahle, K. Aidala, R. Schoelkopf. Applied Physics Letters, 80, 16, 3012. DOI: 10.1063/1.1472472.

A high-performance cryogenic amplifier based on a radio-frequency single electron transistor. K. Segall, K. Lehnert, T. Stevenson, R. Schoelkopf, P. Wahlgren, A. Aassime, P. Delsing. Applied Physics Letters, 81, 25, 4859. DOI: 10.1063/1.1530751

2001

Radio-Frequency Single-Electron Transistor: Toward the Shot-Noise Limit. A. Aassime, D. Gunnarsson, K. Bladh, P. Delsing, R. Schoelkopf. Applied Physics Letters, 79, 4031-4033. DOI: 10.1063/1.1424477

RF Single Electron Transistor Readout Amplifiers for Superconducting Astronomical Detectors of X-ray to Sub-mm Wavelengths. T.R. Stevenson, A. Aassime, P. Delsing, R. Schoelkopf, K. Segall, C.M. Stahle. IEEE Transactions on Applied Superconductivity, 11, 692 - 695. (2001)  DOI: 10.1109/77.919439

Radio-Frequency Single-Electron Transistor as Readout Device for Qubits: Charge Sensitivity and Backaction. A. Aassime, G. Johansson, G. Wendin, R. Schoelkopf, P. Delsing. Physical Review Letters, 86, 3376 - 3379. DOI: 10.1103/PhysRevLett.86.3376

2000

Shot Noise Measurements in Diffusive Normal Metal-Superconductor (N-S) Junctions. A. Kozhevnikov, R. Schoelkopf, L. Calvet, M. Rooks, D. Prober. Journal of Low Temperature Physics, International Conference on Electron Transport in Mesoscopic Systems (ETSM ‘99), Gothenburg, Sweden, AUG 12-15, 1999, 118, 5/6, 671 - 678. DOI: 10.1023/A:1004695412712

Observation of Photon-Assisted Noise in a Diffusive Normal Metal–Superconductor Junction. A. Kozhevnikov, R. Schoelkopf, D. Prober. Physical Review Letters, 84, 15, 3398 - 3401. DOI: 10.1103/PhysRevLett.84.3398

Amplifying Quantum Signals with the Single-Electron Transistor.  M. Devoret, R. Schoelkopf. Nature, 406, 6799, 1039 - 1046. DOI: 10.1038/35023253

1999

Radio Frequency-Single Electron Transistor: A Fast and Sensitive Electrometer Analogous to the Radio Frequency-Superconducting Quantum Interference Device. P. Wahlgren, R. Schoelkopf, A. Kozhevnikov, P. Delsing, D. Prober, T. Claeson. Journal of Superconductivity, 12, 6, 741 - 746. DOI: 10.1023/A:1007728908729.

Mixing and noise in diffusion and phonon cooled superconducting hot-electron bolometers. P. Burke, R. Schoelkopf, D. Prober, A. Skalare, B. Karasik, M. Gaidis, W. McGrath, B. Bumble, H. LeDuc. Journal of Applied Physics, 85, 1644-1653. DOI: 10.1063/1.369299

A Concept for a Submillimeter-Wave Single-Photon Counter. R.J. Schoelkopf, S.H. Moseley, C.M. Stahle, P. Wahlgren, P. Delsing. IEEE Transactions on Applied Superconductivity, 9, 2, 2935 - 2939. DOI: 10.1109/77.783645

1998

Spectrum of thermal fluctuation noise in diffusion and phonon cooled hot-electron mixers. P. Burke, R. Schoelkopf, D. Prober, A. Skalare, B. Karasik, M. Gaidis, W. McGrath, B. Bumble, H. LeDuc. Applied Physics Letters, 72, 1516. DOI: 10.1063/1.121044

Observation of “Photon-Assisted” Shot Noise in a Phase-Coherent Conductor. R. Schoelkopf, A. Kozhevnikov, D. Prober, M. Rooks. Physical Review Letters, 80, 2437 - 2440. DOI: 10.1103/PhysRevLett.80.2437 

The Radio-Frequency Single-Electron Transistor (RF-SET): A Fast and Ultrasensitive Electrometer.  R. J. Schoelkopf, P. Wahlgreen, A.A. Kozhevnikov, P. Delsing, D. E. Prober. Science, 280, 5367, 1238 - 1242. DOI: 10.1126/science.280.5367.1238(link is external)

SPIE Proceedings: Superconductive hot-electron mixers for terahertz heterodyne receiver applications. William McGrath, Anders Skalare, Boris Karasik, Michael Gaidis, Bruce Bumble, Henry LeDuc, P. Burke, R. Schoelkopf, D. Prober, Thomas Phillips. Astronomical Telescopes & Instrumentation Advanced Technology MMW, Radio, and Terahertz Telescopes. DOI: 10.1117/12.317341.

Low-noise and wideband hot-electron superconductive mixer for terahertz frequencies. Boris Karasik, Anders Skalare, William McGrath, Bruce Bumble, Henry LeDuc, Jeff Barner, Alan Kleinsasser, P. Burke, Robert Schoelkopf, Daniel Prober, Mohammed Afsar. SPIE’s International Symposium on Optical Science, Engineering, and Instrumentation Millimeter and Submillimeter Waves IV. DOI: 10.1117/12.331162

1997

Optical antenna: Towards a unity efficiency near-field optical probe. Robert Grober, Robert Schoelkopf, Daniel Prober. Applied Physics Letters, 70, 11, 1354. DOI: 10.1063/1.118577.

Frequency Dependence of Shot Noise in a Diffusive Mesoscopic Conductor. R. Schoelkopf, P. Burke, A. Kozhevnikov, D. Prober, M. Rooks. Physical Review Letters, 78, 3370 - 3373. DOI: 10.1103/PhysRevLett.78.3370.

Noise bandwidth of diffusion-cooled hot-electron bolometers. R.J. Schoelkopf, P.J. Burke, D.E. Prober, B. Karasik, A. Skalare, W.R. McGrath, M.C. Gaidis, B. Bumble, H.G. LeDuc. IEEE Transactions on Appiled Superconductivity, 7, 2, 3576 - 3579.  DOI: 10.1109/77.622173

1996

Length scaling of bandwidth and noise in hot-electron superconducting mixers. P. J. Burke, R. J. Schoelkopf, D. E. Prober, A. Skalare, W. R. McGrath, B. Bumble, H. G. LeDuc. Applied Physics Letters, 68, 3344. DOI: 10.1063/1.116052

Large bandwidth and low noise in a diffusion-cooled hot-electron bolometer mixer. A. Skalare, W. McGrath, B. Bumble, H. LeDuc, P. Burke, A. Verheijen, R. Schoelkopf, D. Prober. Applied Physics Letters, 68, 1558-1560. DOI: 10.1063/1.115698

1995

Measurements of noise in Josephson-effect mixers. R.J. Schoelkopf, J. Zmuidzinas, T.G. Phillips, H.G. LeDuc, J.A. Stern. IEEE Transactions on Microwave Theory and Techniques, 43, 4, 977 - 983. DOI: 10.1109/22.375263

1993

A 100 GHz Josephson Mixer Using Resistively-Shunted NB Tunnel-Junctions. R.J. Schoelkopf, T.G. Phillips, J. Zmuidzinas. IEEE Transactions on Applied Superconductivity, Vol 3 , No 1, March 1993 Pts 2-4, 2250-2253.  DOI: 10.1109/77.233556

1991

Detection of coherent 7.6 HZ oscillations during a burst from Aquila X-1. R. Schoelkopf, R. Kelley. The Astrophysical Journal, 375, 696. DOI: 10.1086/170234

1989

High resolution microcalorimeters as detectors for inelastic scattering (invited).  A. Szymkowiak, R. Kelley, G. Madejski, H. Moseley, R. Schoelkopf, B. Edwards, M. Juda, D. McCammon, M. Skinner, J. Zhang. Review of Scientific Instruments, 60, 7, 1557. DOI: 10.1063/1.1141034

1988

Advances toward High Spectral Resolution Quantum X-Ray Calorimetry. S.H. Moseley, R.L. Kelley, R.J. Schoelkopf, A.E. Szymkowiak, D. McCammon, J. Zhang. IEEE Transactions on Nuclear Science, 35, 59-64. DOI: 10.1109/23.12673.