Programmable Interference between Two Microwave Quantum Memories

Yvonne Y. Gao; Brian J. Lester; Yaxing Zhang; Chen Wang; Serge Rosenblum; Luigi Frunzio; Liang Jiang; S. M. Girvin; Robert J. Schoelkopf

doi:10.1103/PhysRevX.8.021073

Programmable Interference between Two Microwave Quantum Memories

Yvonne Y. Gao, Brian J. Lester, Yaxing Zhang, Chen Wang, Serge Rosenblum, Luigi Frunzio, Liang Jiang, S. M. Girvin, Robert J. Schoelkopf

Department of Condensed Matter Physics

Weizmann Institute of Science

Research output: Contribution to journal › Article › peer-review

Abstract

Interference experiments provide a simple yet powerful tool to unravel fundamental features of quantum physics. Here we engineer a driven, time-dependent bilinear coupling that can be tuned to implement a robust 50:50 beam splitter between stationary states stored in two superconducting cavities in a three-dimensional architecture. With this, we realize high-contrast Hong-Ou-Mandel interference between two spectrally detuned stationary modes. We demonstrate that this coupling provides an efficient method for measuring the quantum state overlap between arbitrary states of the two cavities. Finally, we showcase concatenated beam splitters and differential phase shifters to implement cascaded Mach-Zehnder interferometers, which can control the signature of the two-photon interference on demand. Our results pave the way toward implementation of scalable boson sampling, the application of linear optical quantum computing protocols in the microwave domain, and quantum algorithms between long-lived bosonic memories.

Original language	English
Article number	021073
Number of pages	7
Journal	Physical Review X
Volume	8
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevX.8.021073
State	Published - 21 Jun 2018

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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title = "Programmable Interference between Two Microwave Quantum Memories",

abstract = "Interference experiments provide a simple yet powerful tool to unravel fundamental features of quantum physics. Here we engineer a driven, time-dependent bilinear coupling that can be tuned to implement a robust 50:50 beam splitter between stationary states stored in two superconducting cavities in a three-dimensional architecture. With this, we realize high-contrast Hong-Ou-Mandel interference between two spectrally detuned stationary modes. We demonstrate that this coupling provides an efficient method for measuring the quantum state overlap between arbitrary states of the two cavities. Finally, we showcase concatenated beam splitters and differential phase shifters to implement cascaded Mach-Zehnder interferometers, which can control the signature of the two-photon interference on demand. Our results pave the way toward implementation of scalable boson sampling, the application of linear optical quantum computing protocols in the microwave domain, and quantum algorithms between long-lived bosonic memories.",

author = "Gao, \{Yvonne Y.\} and Lester, \{Brian J.\} and Yaxing Zhang and Chen Wang and Serge Rosenblum and Luigi Frunzio and Liang Jiang and Girvin, \{S. M.\} and Schoelkopf, \{Robert J.\}",

note = "We thank M. H. Devoret for helpful discussions, N. Frattini, K. Sliwa, M. J. Hatridge, and A. Narla for providing the Josephson Parametric Converters (JPCs), and N. Ofek and P. Reinhold for providing the logic and control interface for the field programmable gate array used in this experiment. This research was supported by the U.S. Army Research Office (W911NF-14-1-0011). Y. Y. G. was supported by an A*STAR NSS Fellowship; B. J. L. is supported by Yale QIMP Fellowship; S. M. G. is supported by the National Science Foundation (DMR 1609326); L. J. is supported by the Alfred P. Sloan Foundation (BR 2013- 049) and the Packard Foundation (2013-39273). Facilities use was supported by the Yale Institute for Nanoscience and Quantum Engineering (YINQE), the Yale SEAS clean room, and the National Science Foundation. (MRSECDMR-1119826).",

year = "2018",

month = jun,

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doi = "10.1103/PhysRevX.8.021073",

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AU - Gao, Yvonne Y.

AU - Lester, Brian J.

AU - Zhang, Yaxing

AU - Wang, Chen

AU - Rosenblum, Serge

AU - Frunzio, Luigi

AU - Jiang, Liang

AU - Girvin, S. M.

AU - Schoelkopf, Robert J.

N1 - We thank M. H. Devoret for helpful discussions, N. Frattini, K. Sliwa, M. J. Hatridge, and A. Narla for providing the Josephson Parametric Converters (JPCs), and N. Ofek and P. Reinhold for providing the logic and control interface for the field programmable gate array used in this experiment. This research was supported by the U.S. Army Research Office (W911NF-14-1-0011). Y. Y. G. was supported by an A*STAR NSS Fellowship; B. J. L. is supported by Yale QIMP Fellowship; S. M. G. is supported by the National Science Foundation (DMR 1609326); L. J. is supported by the Alfred P. Sloan Foundation (BR 2013- 049) and the Packard Foundation (2013-39273). Facilities use was supported by the Yale Institute for Nanoscience and Quantum Engineering (YINQE), the Yale SEAS clean room, and the National Science Foundation. (MRSECDMR-1119826).

PY - 2018/6/21

Y1 - 2018/6/21

N2 - Interference experiments provide a simple yet powerful tool to unravel fundamental features of quantum physics. Here we engineer a driven, time-dependent bilinear coupling that can be tuned to implement a robust 50:50 beam splitter between stationary states stored in two superconducting cavities in a three-dimensional architecture. With this, we realize high-contrast Hong-Ou-Mandel interference between two spectrally detuned stationary modes. We demonstrate that this coupling provides an efficient method for measuring the quantum state overlap between arbitrary states of the two cavities. Finally, we showcase concatenated beam splitters and differential phase shifters to implement cascaded Mach-Zehnder interferometers, which can control the signature of the two-photon interference on demand. Our results pave the way toward implementation of scalable boson sampling, the application of linear optical quantum computing protocols in the microwave domain, and quantum algorithms between long-lived bosonic memories.

AB - Interference experiments provide a simple yet powerful tool to unravel fundamental features of quantum physics. Here we engineer a driven, time-dependent bilinear coupling that can be tuned to implement a robust 50:50 beam splitter between stationary states stored in two superconducting cavities in a three-dimensional architecture. With this, we realize high-contrast Hong-Ou-Mandel interference between two spectrally detuned stationary modes. We demonstrate that this coupling provides an efficient method for measuring the quantum state overlap between arbitrary states of the two cavities. Finally, we showcase concatenated beam splitters and differential phase shifters to implement cascaded Mach-Zehnder interferometers, which can control the signature of the two-photon interference on demand. Our results pave the way toward implementation of scalable boson sampling, the application of linear optical quantum computing protocols in the microwave domain, and quantum algorithms between long-lived bosonic memories.

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DO - 10.1103/PhysRevX.8.021073

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JO - Physical Review X

JF - Physical Review X

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Programmable Interference between Two Microwave Quantum Memories

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