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14 February 2019 Robust digital-controllable broadband analog optical chaos generation
Zexi Zhao, Mengfan Cheng, Lei Deng, Minming Zhang, Songnian Fu, Ming Tang, Ping Shum, Deming Liu
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Proceedings Volume 11048, 17th International Conference on Optical Communications and Networks (ICOCN2018); 110482C (2019) https://doi.org/10.1117/12.2522998
Event: 17th International Conference on Optical Communications and Networks (ICOCN2018), 2018, Zhuhai, China
Abstract
A digital-controllable broadband analog optical chaos source is proposed. An analog-digital hybrid electro-optic feedback loop is introduced to enhance the robustness of the semiconductor laser based chaos system. The scheme could generate a broadband optical chaotic signal of high dynamical complexity. Robust digital synchronization strategies can be used for the proposed optical chaos sources. Compared with the existing schemes, the adoption of a semiconductor laser with self-feedback reduces the requirement on the processing speed of digital components. Meanwhile, the hybrid system structure could be simplified markedly. The proposed chaotic source has potential in long-haul secure fiber communication, chaotic radar, random number generation, and so on..
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Zexi Zhao, Mengfan Cheng, Lei Deng, Minming Zhang, Songnian Fu, Ming Tang, Ping Shum, and Deming Liu "Robust digital-controllable broadband analog optical chaos generation", Proc. SPIE 11048, 17th International Conference on Optical Communications and Networks (ICOCN2018), 110482C (14 February 2019); https://doi.org/10.1117/12.2522998
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KEYWORDS
Chaos
Signal generators
Signal processing
Electro optics
Semiconductor lasers
Data communications
Phase modulation
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