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XIAO-DONG LIN1,2, GUANG-QIONG XIA1,3, TAO DENG1,2, JIAN-GUO CHEN2, ZHENG-MAO WU1,3,*
Both bidirectional and unidirectional synchronizations of feedback-induced chaos between bandwidth-enhanced semiconductor lasers by strongly injection-locked technique are analyzed and compared theoretically, and the related communication performances of both systems are also preliminarily examined. With extra external optical injection, the modulation bandwidth of chaos synchronization system can be greatly enhanced about three times under given parameters. The two systems both possess good robustness to parameters mismatching, where the bidirectional system shows higher quality synchronization than the unidirectional one within a broad range of mismatched parameters. Both systems can efficiently transmit high-speed signal.
Semiconductor laser, Chaos synchronization, Bidirectional communication, Bandwidth enhancement.
XIAO-DONG LIN, GUANG-QIONG XIA, TAO DENG, JIAN-GUO CHEN, ZHENG-MAO WU, Chaos synchronization and communications of bidirectionally versus unidirectionally coupled bandwidth-enhanced semiconductor lasers, Optoelectronics and Advanced Materials - Rapid Communications, 3, 11, November 2009, pp.1129-1135 (2009).
Submitted at: Oct. 20, 2009
Accepted at: Oct. 29, 2009
Optoelectronics and Advanced Materials - Rapid Communications
(2023): 0.5 - 2023 Journal Citation Reports (Clarivate Analytics, 2024)
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