Unidirectional synchronization of single-mode semiconductor lasers

J. M. Liu*, S. Tang, H. F. Chen

*此作品的通信作者

研究成果: Conference article同行評審

摘要

For chaotic optical communications using semiconductor lasers, synchronization of the chaotic waveforms of two semiconductor lasers, one functioning as the transmitter and the other as the receiver, has to be accomplished. Two systems of single-mode semiconductor lasers that exhibit chaotic behaviour are considered. A single-mode semiconductor laser with optical injection follows a period-doubling route to chaos, whereas one with delayed optoelectronic feedback follows a quasiperiodic route to chaotic pulsing. The strategy for devising a scheme for synchronizing two semiconductor lasers is to make the coupled transmitter and receiver lasers to be described by two sets of dynamical equations of identical form. The transmitter and receiver are coupled through a signal and are both driven by a force that is a function of the signal. Any message to be communicated can be encoded in the signal. Schemes for synchronization with unidirectional coupling are devised, modeled, and studied for both optical injection and optoelectronic feedback systems. Experimental data on the synchronization of both systems are presented. Methods for encoding and decoding messages are also discussed for both systems.

原文English
頁(從 - 到)325-334
頁數10
期刊Proceedings of SPIE - The International Society for Optical Engineering
4283
DOIs
出版狀態Published - 2001
事件Physics and Simulation of Optoelectronic Devices IX - San Jose, CA, United States
持續時間: 22 1月 200126 1月 2001

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