Secure communications of CAP-4 and OOK signals over MMF based on electro-optic chaos

Abstract

Chaos-based secure communication can provide a high level of privacy in data transmission. Here, we experimentally demonstrate secure signal transmission over two kinds of multimode fiber (MMF) based on electro-optic intensity chaos. High-quality synchronization is achieved in an electro-optic feedback configuration. Both $5\mathrm{Gbit}/\mathrm{s}$ carrier-less amplitude/phase (CAP-4) modulation and $10\mathrm{Gbit}/\mathrm{s}$ on–off key (OOK) signals are recovered efficiently in electro-optic chaos-based communication systems. Degradations of chaos synchronization and communication system due to mismatch of various hardware keys are also discussed.

© 2017 Optical Society of America

32  Gb/s chaotic optical communications by deep-learning-based chaos synchronization

Junxiang Ke, Lilin Yi, Zhao Yang, Yunpeng Yang, Qunbi Zhuge, Yaping Chen, and Weisheng Hu
Opt. Lett. 44(23) 5776-5779 (2019)

Secure communication systems based on chaos in optically pumped spin-VCSELs

Nianqiang Li, H. Susanto, B. Cemlyn, I. D. Henning, and M. J. Adams
Opt. Lett. 42(17) 3494-3497 (2017)

Chaotic optical communications over 100-km fiber transmission at 30-Gb/s bit rate

Junxiang Ke, Lilin Yi, Guangqiong Xia, and Weisheng Hu
Opt. Lett. 43(6) 1323-1326 (2018)

Security-enhanced chaos communication with time-delay signature suppression and phase encryption

Chenpeng Xue, Ning Jiang, Yunxin Lv, Chao wang, Guilan Li, Shuqing Lin, and Kun Qiu
Opt. Lett. 41(16) 3690-3693 (2016)

Semiconductor-laser-based hybrid chaos source and its application in secure key distribution

Zexi Zhao, Mengfan Cheng, Chenkun Luo, Lei Deng, Minming Zhang, Songnian Fu, Ming Tang, Ping Shum, and Deming Liu
Opt. Lett. 44(10) 2605-2608 (2019)