A superconducting quantum memory with tens of milliseconds coherence time

Ofir Milul; Barkay Guttel; Uri Goldblatt; Sergey Hazanov; Lalit M Joshi; Daniel Chausovsky; Nitzan Kahn; Engin Çiftyürek; Fabien Lafont; Serge Rosenblum

doi:https://doi.org/10.48550/arxiv.2302.06442

A superconducting quantum memory with tens of milliseconds coherence time

Ofir Milul, Barkay Guttel, Uri Goldblatt, Sergey Hazanov, Lalit M Joshi, Daniel Chausovsky, Nitzan Kahn, Engin Çiftyürek, Fabien Lafont, Serge Rosenblum

Department of Condensed Matter Physics

Weizmann Institute Of Science

Research output: Contribution to journal › Article

Abstract

Storing quantum information for an extended period of time is essential for running quantum algorithms with low errors. Currently, superconducting quantum memories have coherence times of a few milliseconds, and surpassing this performance has remained an outstanding challenge. In this work, we report a qubit encoded in a novel superconducting cavity with a coherence time of 34 ms, an improvement of over an order of magnitude compared to previous demonstrations. We use this long-lived quantum memory to store a Schrödinger cat state with a record size of 1024 photons, indicating the cavity's potential for bosonic quantum error correction.

Original language	English
Number of pages	6
Journal	arxiv.org
DOIs	https://doi.org/10.48550/arxiv.2302.06442
State	In preparation - 13 Feb 2023

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https://arxiv.org/abs/2302.06442License: CC BY-NC-ND

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title = "A superconducting quantum memory with tens of milliseconds coherence time",

abstract = "Storing quantum information for an extended period of time is essential for running quantum algorithms with low errors. Currently, superconducting quantum memories have coherence times of a few milliseconds, and surpassing this performance has remained an outstanding challenge. In this work, we report a qubit encoded in a novel superconducting cavity with a coherence time of 34 ms, an improvement of over an order of magnitude compared to previous demonstrations. We use this long-lived quantum memory to store a Schr{\"o}dinger cat state with a record size of 1024 photons, indicating the cavity's potential for bosonic quantum error correction.",

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T1 - A superconducting quantum memory with tens of milliseconds coherence time

AU - Milul, Ofir

AU - Guttel, Barkay

AU - Goldblatt, Uri

AU - Hazanov, Sergey

AU - Joshi, Lalit M

AU - Chausovsky, Daniel

AU - Kahn, Nitzan

AU - Çiftyürek, Engin

AU - Lafont, Fabien

AU - Rosenblum, Serge

PY - 2023/2/13

Y1 - 2023/2/13

N2 - Storing quantum information for an extended period of time is essential for running quantum algorithms with low errors. Currently, superconducting quantum memories have coherence times of a few milliseconds, and surpassing this performance has remained an outstanding challenge. In this work, we report a qubit encoded in a novel superconducting cavity with a coherence time of 34 ms, an improvement of over an order of magnitude compared to previous demonstrations. We use this long-lived quantum memory to store a Schrödinger cat state with a record size of 1024 photons, indicating the cavity's potential for bosonic quantum error correction.

AB - Storing quantum information for an extended period of time is essential for running quantum algorithms with low errors. Currently, superconducting quantum memories have coherence times of a few milliseconds, and surpassing this performance has remained an outstanding challenge. In this work, we report a qubit encoded in a novel superconducting cavity with a coherence time of 34 ms, an improvement of over an order of magnitude compared to previous demonstrations. We use this long-lived quantum memory to store a Schrödinger cat state with a record size of 1024 photons, indicating the cavity's potential for bosonic quantum error correction.

U2 - https://doi.org/10.48550/arxiv.2302.06442

DO - https://doi.org/10.48550/arxiv.2302.06442

M3 - مقالة

SN - 2331-8422

JO - arxiv.org

JF - arxiv.org

ER -

A superconducting quantum memory with tens of milliseconds coherence time

Abstract

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