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Apparatus and method for enhancing secret key rate exchange over quantum channel in quantum key distribution systems
Apparatus and method for enhancing secret key rate exchange over quantum channel in quantum key distribution systems
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机译:用于增强量子密钥分配系统中量子通道的秘密密钥率交换的装置和方法
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摘要
An apparatus for enhancing secret key rate exchange over quantum channel in QKD systems includes an emitter system with a quantum emitter and a receiver system with a quantum receiver, wherein both systems are connected by a quantum channel and a service communication channel. User interfaces within the systems allow to define a first quantum channel loss budget based on the distance to be covered between the quantum emitter and the quantum receiver and the infrastructure properties of the quantum channel as well as a second quantum channel loss budget associated to the loss within the realm of the emitter system. The emitter system is adapted to define the optimal mean number of photons of coherent states to be emitted based on the first and the second quantum channel loss budgets.
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