12 November 2010 Suppression of time delay signatures of chaotic output in mutually delay-coupled semiconductor lasers
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Abstract
We experimentally and numerically investigated the time delay (TD) signature suppression in a mutually delay-coupled semiconductor lasers (MDC-SL) system. The results show that excellent TD signature suppression can be achieved and all TD signatures are suppressed into background noise level. Meantime, two chaotic sequences are obtained concurrently and the corresponding self-correlation curves exhibit almost perfect δ function profile.
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Jia-Gui Wu, Zheng-Mao Wu, Jin-Ting Shen, Ling Ding, Neng-Yao Li, Guang-Qiong Xia, "Suppression of time delay signatures of chaotic output in mutually delay-coupled semiconductor lasers", Proc. SPIE 7844, Semiconductor Lasers and Applications IV, 78440E (12 November 2010); doi: 10.1117/12.869959; https://doi.org/10.1117/12.869959
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