Abstract
A scheme for chaotic signal generation in a semiconductor ring laser (SRL) with optical feedback is presented. Part of the output is returned to the SRL, resulting in chaotic oscillation.
Highlights
It is previously demonstrated that semiconductor lasers are widely used in the chaotic Optical communications as chaotic carrier source [1,2]
We demonstrate the chaotic signal generation in a semiconductor ring laser (SRL) with an optical feedback
We focus on the effect of the feedback coefficient and the bias injection current of the SRL on the nonlinear system
Summary
It is previously demonstrated that semiconductor lasers are widely used in the chaotic Optical communications as chaotic carrier source [1,2]. As a special case of semiconductor laser, semiconductor ring lasers (SRLs) can be utilized to chaotic communication systems. We demonstrate the chaotic signal generation in a SRL with an optical feedback. Simulated results indicate the existence of chaotic oscillation in the SRL with appropriate disturbance
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