Výsledky vyhledávání - "Alec Eickbusch"

Akademický článek

Strategies and Trade-Offs for Controllability and Memory Time of Ultra-High-Quality Microwave Cavities in Circuit Quantum Electrodynamics

Autor: Iivari Pietikäinen, Ondřej Černotík, Alec Eickbusch, Aniket Maiti, John W.O. Garmon, Radim Filip, Steven M. Girvin

Publikováno v: PRX Quantum, Vol 5, Iss 4, p 040307 (2024)

Three-dimensional microwave cavity resonators have been shown to reach lifetimes of the order of a second by maximizing the cavity volume relative to its surface, using better materials, and improving surface treatments. Such cavities represent an id

Externí odkaz: https://doaj.org/article/5d6e9bb4679643aa9a7645b51f4ead45

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Akademický článek

High-On-Off-Ratio Beam-Splitter Interaction for Gates on Bosonically Encoded Qubits

Autor: 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

Publikováno v: PRX Quantum, Vol 4, Iss 2, p 020355 (2023)

Encoding a qubit in a high-quality superconducting microwave cavity offers the opportunity to perform the first layer of error correction in a single device but presents a challenge: how can quantum oscillators be controlled while introducing a minim

Externí odkaz: https://doaj.org/article/50bcfeca9d4c40349f95e20cbdce2586

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Akademický článek

Stabilized Cat in a Driven Nonlinear Cavity: A Fault-Tolerant Error Syndrome Detector

Autor: Shruti Puri, Alexander Grimm, Philippe Campagne-Ibarcq, Alec Eickbusch, Kyungjoo Noh, Gabrielle Roberts, Liang Jiang, Mazyar Mirrahimi, Michel H. Devoret, S. M. Girvin

Publikováno v: Physical Review X, Vol 9, Iss 4, p 041009 (2019)

In quantum error correction, information is encoded in a high-dimensional system to protect it from the environment. A crucial step is to use natural, two-body operations with an ancilla to extract information about errors without causing backaction

Externí odkaz: https://doaj.org/article/f0fb859d6d0b4faa88c631cec79f29ce

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On the static effective Hamiltonian of a rapidly driven nonlinear system

Autor: Jayameenakshi Venkatraman, Xu Xiao, Rodrigo G. Cortiñas, Alec Eickbusch, Michel H. Devoret

We present a recursive formula for the computation of the static effective Hamiltonian of a system under a fast-oscillating drive. Our analytical result is well-suited to symbolic calculations performed by a computer and can be implemented to arbitra

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e19b1bb2e4f639f639b449789938d09c
http://arxiv.org/abs/2108.02861

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Fast Universal Control of an Oscillator with Weak Dispersive Coupling to a Qubit

Autor: Alec Eickbusch, Volodymyr Sivak, Andy Z. Ding, Salvatore S. Elder, Shantanu R. Jha, Jayameenakshi Venkatraman, Baptiste Royer, S. M. Girvin, Robert J. Schoelkopf, Michel H. Devoret

A controlled evolution generated by nonlinear interactions is required to perform full manipulation of a quantum system, and such control is only coherent when the rate of nonlinearity is large compared to the rate of decoherence. As a result, engine

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ea332ae36e55e5548c84636b0eafaecb

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Quantum error correction of a qubit encoded in grid states of an oscillator

Autor: Nicholas Frattini, E. Zalys-Geller, Philip Reinhold, Alec Eickbusch, Shyam Shankar, Luigi Frunzio, Steven Touzard, Shruti Puri, Robert Schoelkopf, Michel Devoret, Mazyar Mirrahimi, Philippe Campagne-Ibarcq, Volodymyr Sivak

Publikováno v: Nature
Nature, 2020, 584, ⟨10.1038/s41586-020-2603-3⟩
Nature, Nature Publishing Group, 2020, 584, ⟨10.1038/s41586-020-2603-3⟩

Quantum bits are more robust to noise when they are encoded non-locally. In such an encoding, errors affecting the underlying physical system can then be detected and corrected before they corrupt the encoded information. In 2001, Gottesman, Kitaev a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d01d5bef16e636d1c8b81e37d53f878c
https://inria.hal.science/hal-03084673

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Stabilized Cat in a Driven Nonlinear Cavity: A Fault-Tolerant Error Syndrome Detector

Autor: Kyungjoo Noh, Alexander Grimm, Philippe Campagne-Ibarcq, Mazyar Mirrahimi, Shruti Puri, Liang Jiang, Steven Girvin, Michel Devoret, Alec Eickbusch, Gabrielle Roberts

Publikováno v: Physical Review X
Physical Review X, American Physical Society, 2019, ⟨10.1103/PhysRevX.9.041009⟩
Physical Review X, Vol 9, Iss 4, p 041009 (2019)
Physical Review X, 2019, ⟨10.1103/PhysRevX.9.041009⟩

International audience; In quantum error correction, information is encoded in a high-dimensional system to protect it from the environment. A crucial step is to use natural, low-weight operations with an ancilla to extract information about errors w

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6cd6bcc9b710f6703758ecd3d700f3a2
https://doi.org/10.1103/physrevx.9.041009

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