High-performance chaotic secure communication based on VCSELs systems with phase modulation and dispersion compensation

Yi-Xin Ren; Fei Wang; Zi-Ye Gao; Xiao-Dong Lin; Zhou-nan Du; Tian-Jie Deng; Tao Deng

doi:10.1117/12.2687120

27 November 2023 High-performance chaotic secure communication based on VCSELs systems with phase modulation and dispersion compensation

Yi-Xin Ren, Fei Wang, Zi-Ye Gao, Xiao-Dong Lin, Zhou-nan Du, Tian-Jie Deng, Tao Deng

Author Affiliations +

Proceedings Volume 12761, Semiconductor Lasers and Applications XIII; 127610T (2023) https://doi.org/10.1117/12.2687120
Event: SPIE/COS Photonics Asia, 2023, Beijing, China

Conference Poster

Abstract

Based on two Response Vertical-Cavity Surface-Emitting Lasers (R-VCSELs) subject to identical chaos optical injection with phase modulation and dispersion compensation, we propose and numerically investigate a high-speed bidirectional chaotic secure communication system. The driving VCSEL (D-VCSEL) is used to generate the injected chaotic signals to two R-VCSELs. After introducing the phase modulation and dispersion compensation into injection path, the bandwidth of chaotic carrier from the linear polarization components of R-VCSEL1 and R-VCSEL2 can be extended to 45GHz, and corresponding Time Delay Signatures (TDSs) can be suppressed to about 0.15. Moreover, high-quality chaos synchronization between corresponding polarization components of two R-VCSELs but very low correlation between the D-VCSEL and any R-VCSEL can be achieved. On this basis, the bidirectional dual-channel information transmission of 30 Gbit/s over 100 km fiber link is successfully realized.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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Yi-Xin Ren, Fei Wang, Zi-Ye Gao, Xiao-Dong Lin, Zhou-nan Du, Tian-Jie Deng, and Tao Deng "High-performance chaotic secure communication based on VCSELs systems with phase modulation and dispersion compensation", Proc. SPIE 12761, Semiconductor Lasers and Applications XIII, 127610T (27 November 2023); https://doi.org/10.1117/12.2687120

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