光纤引导掺杂谐振介质中控制光孤子的潜在可能性
Hidden possibilities in controlling optical soliton in fiber guided doped resonant medium
摘要：
已知光纤引导的光信号在掺铒非线性谐振介质中传播产生更清洁的孤子脉冲，其由耦合到非线性薛定谔方程的自诱导透明（SIT）描述。我们发现了两个新的可能性隐藏在其可积结构，放大和控制的光脉冲。利用该模型的可积性所允许的变孤子宽度，可以通过调节初始粒子数反转来调节展宽脉冲。这种效果可以通过其受约束的可积层次的另一种创新应用来增强，提出了多个SIT媒体的系统。这些理论预测在细节上是可行的，修正了一个众所周知的结果的局限性。
英文摘要：
Fiber guided optical signal propagating in a Erbium doped nonlinear resonant medium is known to produce cleaner solitonic pulse, described by the self induced transparency (SIT) coupled to nonlinear Schroedinger equation. We discover two new possibilities hidden in its integrable structure, for amplification and control of the optical pulse. Using the variable soliton width permitted by the integrability of this model, the broadening pulse can be regulated by adjusting the initial population inversion of the opant atoms. The effect can be enhanced by another innovative application of its constrained integrable hierarchy, proposing a system of multiple SIT media. These theoretical predictions are workable analytically in details, correcting the limitation of a well known result.
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