作者
Fedor Kiselev, Roman Goncharov, Eduard Samsonov
发表日期
2020/11/28
图书
International Youth Conference on Electronics, Telecommunications and Information Technologies: Proceedings of the YETI 2020, St. Petersburg, Russia
页码范围
223-231
出版商
Springer International Publishing
简介
We report on the chromatic dispersion role in subcarrier wave quantum key distribution system. We built a mathematical model of the change in multi-mode weak coherent phase-coded states in a fiber channel under the influence of chromatic dispersion and estimated the asymptotic secure key rate. The absence of any compensation will limit the maximum channel length to 53 km. We propose a method to mitigate dispersion effect which significantly increases the system’s reach. All theory shown is experimentally confirmed.
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F Kiselev, R Goncharov, E Samsonov - … and Information Technologies: Proceedings of the …, 2020