Efficient experimental quantum fingerprinting with channel multiplexing and simultaneous detection

Quantum fingerprinting could allow an exponential quantum advantage in a cryptographic protocol, but current schemes are still difficult to scale. Here, the authors exploit wavelength division multiplexing to increase the channel capacity and reduce the communication time without the need for demult...

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Autores principales: Xiaoqing Zhong, Feihu Xu, Hoi-Kwong Lo, Li Qian
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2021
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Acceso en línea:https://doaj.org/article/6a4931bf89904328abaeb3b0f73580ef
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Sumario:Quantum fingerprinting could allow an exponential quantum advantage in a cryptographic protocol, but current schemes are still difficult to scale. Here, the authors exploit wavelength division multiplexing to increase the channel capacity and reduce the communication time without the need for demultiplexing.