Remote interfacing between superconducting qubits and Rydberg-atom qubits via thermal coupled cavities

Liang, Zhen-Tao; Zhang, Guoqing; Yuan, Jianhao; Ye, Qinzhou; Liao, Kai-Yu; Xue, Zheng‐Yuan; Yan, Hui; Zhu, Shi-Liang

doi:10.1007/s11433-021-1842-9

Cited by 2 publications

(1 citation statement)

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“…二是将超导量子比特和量子转换器分别安装在不同的温区, 然后通过物理方法降低热激发微波噪声对超导量子比特和量子转换器之间量子态传输的影响. 如2020年, Han等 [38] 提出将电光转换器热沉在稀释制冷机的1 K冷台, 通过辐射冷却技术 [39] 降低热激发微波噪声对量子态传输的影响, 但尚未实验验证. 该方案建议利用非传统几何量子门 [41,42] 对耦合腔中热激发和耦合参数不敏感的特性 [43−46] 图 9 15 mK超导量子比特与1 K冷台附近里德伯冷原子基于1 K热耦合腔长程互联的实验装置示意图 [40] Fig.…”

Section: 超导量子比特与量子转换器长程互联unclassified

Research progress of superconductor and cold atoms hybrid quantum system

Lv,

Li,

et al. 2023

Acta Phys. Sin.

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The superconductor and cold atoms hybrid quantum system is poised to realize fast quantum gates, long-life quantum storage and long-distance transmission through optical fibers, making it one of the most promising hybrid quantum systems for achieving optical interconnection between two superconducting quantum computers. This paper provides a comprehensive review of recent research advancements in the optical interconnection of two superconducting quantum computers, based on the superconductor and cold atoms hybrid quantum system. This encompasses the coherent coupling between superconducting chips and cold atoms, the coherent microwave-to-optics conversion, and the long-range microwave interconnection between superconducting qubits and quantum converters. The system is expected to provide a physical and technical foundation for practical optical-fiber interconnection of two superconducting quantum computers, and have broad applications in distributed superconducting quantum computation and hybrid quantum networks.

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