Search Results - "Govia, Luke C G"

Quantitative Tomography for Continuous Variable Quantum Systems by Landon-Cardinal, Olivier, Govia, Luke C G, Clerk, Aashish A

“…We present a continuous variable tomography scheme that reconstructs the Husimi Q function (Wigner function) by Lagrange interpolation, using measurements of…”
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Miniaturizing Transmon Qubits Using van der Waals Materials by Antony, Abhinandan, Gustafsson, Martin V, Ribeill, Guilhem J, Ware, Matthew, Rajendran, Anjaly, Govia, Luke C. G, Ohki, Thomas A, Taniguchi, Takashi, Watanabe, Kenji, Hone, James, Fong, Kin Chung

“…Quantum computers can potentially achieve an exponential speedup versus classical computers on certain computational tasks, recently demonstrated in…”
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Enhanced qubit readout using locally generated squeezing and inbuilt Purcell-decay suppression by Govia, Luke C G, Clerk, Aashish A

“…We introduce and analyze a dispersive qubit readout scheme where two-mode squeezing is generated directly in the measurement cavities. The resulting…”
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Generating nonclassical states from classical radiation by subtraction measurements by Govia, Luke C G, Pritchett, Emily J, Wilhelm, Frank K

“…We describe the creation of nonclassical states of microwave radiation via ideal dichotomic single photon detection, i.e., a detector that only indicates…”
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Readout-Induced Suppression and Enhancement of Superconducting Qubit Lifetimes by Thorbeck, Ted, Xiao, Zhihao, Kamal, Archana, Govia, Luke C G

“…It has long been known that the lifetimes of superconducting qubits suffer during readout, increasing readout errors. We show that this degradation is due to…”
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Numerical finite-key analysis of quantum key distribution by Bunandar, Darius, Govia, Luke C. G., Krovi, Hari, Englund, Dirk

“…Quantum key distribution (QKD) allows for secure communications safe against attacks by quantum computers. QKD protocols are performed by sending a sizeable,…”
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Quantum simulation of a discrete-time quantum stochastic walk by Schuhmacher, Peter K., Govia, Luke C. G., Taketani, Bruno G., Wilhelm, Frank K.

“…Abstract Quantum walks have been shown to have a wide range of applications, from artificial intelligence, to photosynthesis, and quantum transport. Quantum…”
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Effective qubit dephasing induced by spectator-qubit relaxation by Jurcevic, Petar, Govia, Luke C. G

“…In many leading architectures for quantum computing, it remains to be understood if we can equate single-qubit coherence times measured in isolation, to that…”
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Time-dependent Schrieffer-Wolff-Lindblad Perturbation Theory: measurement-induced dephasing and second-order Stark shift in dispersive readout by Malekakhlagh, Moein, Magesan, Easwar, Govia, Luke C. G

“…We develop a time-dependent Schrieffer-Wolff-Lindblad perturbation theory to study effective interactions for driven open quantum systems. The starting point…”
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Theory of Josephson photomultipliers: Optimal working conditions and back action by Govia, Luke C. G., Pritchett, Emily J., Merkel, Seth T., Pineau, Deanna, Wilhelm, Frank K.

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Integration of spectator qubits into quantum computer architectures for hardware tuneup and calibration by Gupta, Riddhi S, Govia, Luke C. G, Biercuk, Michael J

“…Phys. Rev. A 102, 042611 (2020) Performing efficient quantum computer tuneup and calibration is essential for growth in system complexity. In this work we…”
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Numerical finite-key analysis of quantum key distribution by Bunandar, Darius, Govia, Luke C. G, Krovi, Hari, Englund, Dirk R

“…npj Quantum Inf. 6, 104 (2020) Quantum key distribution (QKD) allows for secure communications safe against attacks by quantum computers. QKD protocols are…”
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Miniaturizing transmon qubits using van der Waals materials by Antony, Abhinandan, Gustafsson, Martin V, Ribeill, Guilhem J, Ware, Matthew, Rajendran, Anjaly, Govia, Luke C. G, Ohki, Thomas A, Taniguchi, Takashi, Watanabe, Kenji, Hone, James, Fong, Kin Chung

“…Quantum computers can potentially achieve an exponential speedup versus classical computers on certain computational tasks, as recently demonstrated in systems…”
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Quantum Simulation of a Discrete-Time Quantum Stochastic Walk by Schuhmacher, Peter K, Govia, Luke C. G, Taketani, Bruno G, Wilhelm, Frank K

“…Quantum walks have been shown to have a wide range of applications, from artificial intelligence, to photosynthesis, and quantum transport. Quantum stochastic…”
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Symmetry-Aware Reservoir Computing by Barbosa, Wendson A. S, Griffith, Aaron, Rowlands, Graham E, Govia, Luke C. G, Ribeill, Guilhem J, Nguyen, Minh-Hai, Ohki, Thomas A, Gauthier, Daniel J

“…We demonstrate that matching the symmetry properties of a reservoir computer (RC) to the data being processed dramatically increases its processing power. We…”
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Quantitative tomography for continuous variable quantum systems by Landon-Cardinal, Olivier, Govia, Luke C. G, Clerk, Aashish A

“…Phys. Rev. Lett. 120, 090501 (2018) We present a continuous variable tomography scheme that reconstructs the Husimi Q-function (Wigner function) by Lagrange…”
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Enhanced qubit readout using locally-generated squeezing and inbuilt Purcell-decay suppression by Govia, Luke C. G, Clerk, Aashish A

“…New J. Phys. 19 023044 (2017) We introduce and analyze a dispersive qubit readout scheme where two-mode squeezing is generated directly in the measurement…”
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Strong parametric dispersive shifts in a statically decoupled two-qubit cavity QED system by Noh, T., Xiao, Z., Jin, X. Y., Cicak, K., Doucet, E., Aumentado, J., Govia, L. C. G., Ranzani, L., Kamal, A., Simmonds, R. W.

“…Qubits in cavity quantum electrodynamic (QED) architectures are often operated in the dispersive regime, in which the operating frequency of the cavity depends…”
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On the physical realizability of quantum stochastic walks by Taketani, Bruno G, Govia, Luke C. G, Wilhelm, Frank K

“…Phys. Rev. A 97, 052132 (2018) Quantum walks are a promising framework that can be used to both understand and implement quantum information processing tasks…”
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Stroboscopic qubit measurement with squeezed illumination by Eddins, Andrew, Schreppler, Sydney, Toyli, David M, Martin, Leigh S, Hacohen-Gourgy, Shay, Govia, Luke C. G, Ribeiro, Hugo, Clerk, Aashish A, Siddiqi, Irfan

“…Phys. Rev. Lett. 120, 040505 (2018) Microwave squeezing represents the ultimate sensitivity frontier for superconducting qubit measurement. However,…”
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