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arXiv 1601.03330nlin.PS
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laser辐射建立动力学中的暗孤子

Dark solitons in laser radiation build-up dynamics

R. I. Woodward, E. J. R. Kelleher

摘要:

在广义非线性薛定谔方程的框架下,数值模拟了全正常色散锁模光纤激光器中亮脉冲的辐射建立动力学过程,揭示了慢衰减暗孤子的存在.研究了噪声扰动对准稳态暗孤子的演化,并建立了背景形状和孤子-孤子碰撞对最终孤子衰减的重要性。我们证明了一个回复力的作用,在保守系统中扩展孤子的相互作用,包括耗散的影响,在激光腔中遇到的,并概括我们的观察到其他非线性系统。

英文摘要:

We reveal the existence of slowly-decaying dark solitons in the radiation build-up dynamics of bright pulses in all-normal dispersion mode-locked fiber lasers, numerically modeled in the framework of a generalized nonlinear Schrödinger equation. The evolution of noise perturbations to quasi-stationary dark solitons is examined, and the significance of background shape and soliton-soliton collisions on the eventual soliton decay is established. We demonstrate the role of a restoring force in extending soliton interactions in conservative systems to include the effects of dissipation, as encountered in laser cavities, and generalize our observations to other nonlinear systems.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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