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Quantum receiver enhanced by adaptive learning.

ABSTRACT: Quantum receivers aim to effectively navigate the vast quantum-state space to endow quantum information processing capabilities unmatched by classical receivers. To date, only a handful of quantum receivers have been constructed to tackle the problem of discriminating coherent states. Quantum receivers designed by analytical approaches, however, are incapable of effectively adapting to diverse environmental conditions, resulting in their quickly diminishing performance as the operational complexities increase. Here, we present a general architecture, dubbed the quantum receiver enhanced by adaptive learning, to adapt quantum receiver structures to diverse operational conditions. The adaptively learned quantum receiver is experimentally implemented in a hardware platform with record-high efficiency. Combining the architecture and the experimental advances, the error rate is reduced up to 40% over the standard quantum limit in two coherent-state encoding schemes.

SUBMITTER: Cui C

PROVIDER: S-EPMC9731947 | biostudies-literature | 2022 Dec

REPOSITORIES: biostudies-literature

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Quantum receiver enhanced by adaptive learning.

Cui Chaohan C Horrocks William W Hao Shuhong S Guha Saikat S Peyghambarian Nasser N Zhuang Quntao Q Zhang Zheshen Z

Light, science & applications 20221208 1

Quantum receivers aim to effectively navigate the vast quantum-state space to endow quantum information processing capabilities unmatched by classical receivers. To date, only a handful of quantum receivers have been constructed to tackle the problem of discriminating coherent states. Quantum receivers designed by analytical approaches, however, are incapable of effectively adapting to diverse environmental conditions, resulting in their quickly diminishing performance as the operational complex ...[more]

PMID: 36481525

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Dataset Information

Quantum receiver enhanced by adaptive learning.

Publications

Quantum receiver enhanced by adaptive learning.

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