Generation of chaos in semiconductor ring laser with optical injection

Zhang Xin; Yuan Guohui; Wang Zhuoran

Volume 24 Issue 07

Jun. 2012

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Article Navigation > High Power Laser and Particle Beams > 2012 > 24(07): 1732-1736

wu jin-quan, lin zhao-xiang, song shu-yan, et al. Spatial distributions of laser-induced air plasmas[J]. High Power Laser and Particle Beams, 2007, 19.

Citation:

Zhang Xin, Yuan Guohui, Wang Zhuoran. Generation of chaos in semiconductor ring laser with optical injection[J]. High Power Laser and Particle Beams, 2012, 24: 1732-1736.

wu jin-quan, lin zhao-xiang, song shu-yan, et al. Spatial distributions of laser-induced air plasmas[J]. High Power Laser and Particle Beams, 2007, 19.

Citation:

Zhang Xin, Yuan Guohui, Wang Zhuoran. Generation of chaos in semiconductor ring laser with optical injection[J]. High Power Laser and Particle Beams, 2012, 24: 1732-1736.

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Generation of chaos in semiconductor ring laser with optical injection

1.
School of Optoelectronic Information,University of Electronic Science and Technology of China,Chengdu 610054,China

Publish Date: 2012-07-15

Abstract

Abstract

The unidirectional master-slave scheme for generating chaos is demonstrated, which consists of a distributed feedback laser and a semiconductor ring laser(SRL). The SRL, under suitable bias current, has a chaotic output due to an optical injection from the master laser with suitable detuning frequency and injection coefficient. By numerical simulation based on the rate equations of the semiconductor ring laser subjected to an external injection, bifurcation diagrams are derived, of the parameters of interest: the detuning frequency, injection coefficient and the bias current of the SRL. The result shows that, high-quality chaos with flat power spectrum can be generated in the SRL when the detuning frequency is 3.9 GHz, the injection coefficient is 0.07 and the bias current of the SRL is 81 mA.
- optical communications,
- chaotic signals,
- optical injection,
- semiconductor ring laser,
- bifurcation diagram

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