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Opt Lett. 2011 Aug 15;36(16):3197-9. doi: 10.1364/OL.36.003197.

Influence of injection current on the synchronization and communication performance of closed-loop chaotic semiconductor lasers.

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  • 1School of Information Science and Technology, Southwest Jiaotong University, Chengdu, 610031 Sichuan, China. swjtu_nj@163.com

Abstract

We numerically analyze the effect of an injection current on the synchronization and communication features of two chaotic external cavity semiconductor lasers in a closed-loop configuration. The simulation results demonstrate that, by moderately increasing the injection current, the efficient bandwidth of the chaotic carrier would be broadened, high quality chaos synchronization can be preserved, and the communication performance can be enhanced.

© 2011 Optical Society of America

PMID:
21847206
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