A hybrid linear amplifier is inserted at the output of the source-in-the-middle distribution protocol to overcome the shortcomings of the transmission *** modified protocol aims to maintain a high key rate for long-di...
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A hybrid linear amplifier is inserted at the output of the source-in-the-middle distribution protocol to overcome the shortcomings of the transmission *** modified protocol aims to maintain a high key rate for long-distance transmission under high *** has the potential to significantly broaden the application range of the continuous variable quantum key distribution *** effects of amplifier parameters and noise on the modified protocol are analyzed in detail with regard to applying it to a practical *** make the simulation more realistic,the effect of finite size on the new protocol is taken into *** will serve as a guideline for the future use of hybrid linear *** parameters can be adjusted to achieve the best performance for key rates of different quantum channels.
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