计算机科学
无源光网络
正交频分复用
误码率
多路复用
加密
电子工程
波分复用
密钥空间
频道(广播)
波长
光学
混乱的
算法
计算机网络
物理
电信
工程类
人工智能
作者
Mingye Li,Bo Liu,Rahat Ullah,Jianxin Ren,Yaya Mao,Shun Han,Junfeng Zhao,Rong Tang,Shuaidong Chen,Jing Ling
出处
期刊:Optics Letters
[The Optical Society]
日期:2020-09-01
卷期号:45 (17): 4960-4960
被引量:20
摘要
In this Letter, a novel five-dimensional (5D) data-iteration-based encryption model is proposed at physical layer for multi-wavelength optical frequency division multiplexing passive optical network (OFDM-PON) by using a hyperchaotic system. The proposed scheme can generate five chaotic sequences at a time. The sensitivity of 10-18 can be achieved, along with a key space of 1095. In addition, we use a multi-wavelength channel to transmit the information, and the optical network unit can freely choose the wavelength. The probability shaping technology has greatly improved the bit error rate performance. A 16Gb/s/λ data is successfully transmitted across 25 km standard single-mode fiber in the experimental verifications. Therefore, it will have a positive impact in the future security optical network.
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