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arXiv 1307.0296nlin.PS
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自移动腔孤子的延迟反馈控制

Delayed feedback control of self-mobile cavity solitons

A. Pimenov, A. G. Vladimirov, S. V. Gurevich, K. Panajotov, G. Huyet, M. Tlidi

摘要:

控制腔孤子的运动是非线性光学斑图形成的核心问题之一。我们报告的影响的相位的时间延迟的光反馈和载流子寿命的本地化结构的光在宽面积半导体腔的自迁移率。我们的分析和数值计算表明,反馈相位强烈影响漂移不稳定性阈值,以及在此阈值以上的腔孤子运动的速度。此外,我们证明了半导体介质中的非瞬时载流子响应是负责的漂移不稳定性相应的临界反馈率的增加。

英文摘要:

Control of the motion of cavity solitons is one the central problems in nonlinear optical pattern formation. We report on the impact of the phase of the time-delayed optical feedback and carrier lifetime on the self-mobility of localized structures of light in broad area semiconductor cavities. We show both analytically and numerically that the feedback phase strongly affects the drift instability threshold as well as the velocity of cavity soliton motion above this threshold. In addition we demonstrate that non-instantaneous carrier response in the semiconductor medium is responsible for the increase in critical feedback rate corresponding to the drift instability.

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