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Induced soliton ejection from a continuous-wave source waveguided by an optical pulse-soliton train

机译:从一个波导的连续波源引出的孤子射出   光脉冲孤子列车

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摘要

It has been established for some time that high-power pump can trap a probebeam of lower intensity that is simultaneously propagating in a Kerr-typeoptical medium, inducing a focusing of the probe with the emergence of modesdisplaying solitonic properties. To understand the mechanism by which suchself-sustained modes are generated, and mainly the changes on probe spectruminduced by the cross-phase-modulation effect for an harmonic probe trapped by amultiplex of temporal pulses, a linear equation (for the probe) and a nonlinearSchr\"odinger equation (for the pump) both coupled by a cross-phase-modulationterm, are considered simultaneously. In general the set of coupled probe-pumpequations is not exactly tractable at any arbitrary value of the ratio of thecross-phase to the self-phase modulation strengths. However, for certain valuesof this ratio, the probe modulation wavector develops into $|n,l\textgreater${\it quantum states} involving $2n+1$ soliton-shaped eigenfunctions whichspectral properties can be characterized unambiguously. Solutions of the probeequation give evidence that the competition between the self-phase andcross-phase modulations leads to a broadband spectrum, with the possibility ofa quasi-continuum of soliton modes when the cross-phase-modulation coupling isstrong enough.
机译:一段时间以来,已经确立了高功率泵可以捕获同时在Kerr型光学介质中传播的强度较低的探针束,随着显示孤子特性的模式的出现,引起了探针的聚焦。了解产生这种自持模式的机理,主要是了解由多重时间脉冲,线性方程(用于探针)和非线性Schr捕获的谐波探针的交叉相位调制效应所引起的探针光谱变化。同时考虑了由交叉相位调制项耦合的“ odinger方程(用于泵)”。通常,在交叉相位与自身之比的任何任意值下,耦合的探头-泵方程组都不是精确可控的。相位调制强度,但是,对于该比率的某些值,探针调制波矢量发展为包含$ 2n + 1 $个孤子形本征函数的$ | n,l \ textgreater $ {\ it量子态},其光谱特性可以被明确地表征。探查方程的解证明了自相位调制和跨相位调制之间的竞争导致了宽带频谱,并可能出现孤子模式的准连续谱。交叉相位调制耦合足够强。

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    Dikande, Alain M.;

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  • 年度 2010
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  • 原文格式 PDF
  • 正文语种 {"code":"en","name":"English","id":9}
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