飞秒激光脉冲在半导体中诱导的二维波结构

V. Trofimov, M. Loginova, V. Egorenkov
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引用次数: 3

摘要

我们模拟了飞秒激光脉冲与半导体的相互作用。众所周知,在某些条件下,由于光学能量的非线性吸收,光学双稳性(OB)发生。我们研究了二维波的过程,它发生在这样的条件下,并且由于双稳元状态中的一个不稳定而出现。由于激光脉冲的传播和电子的扩散,光辐射-半导体系统状态的不稳定性导致了半导体中自由电子和电离给体的二维波传播。这个过程可以从本质上改变双稳态元素的性质。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
2D wave structure induced by femtosecond laser pulse in semiconductor
We simulate interaction of a femtosecond laser pulse with semiconductor. As it is well known, under certain conditions the optical bistability (OB) takes place due to a nonlinear absorption of the optical energy, for example. We investigate the 2D wave process, occurring in such conditions and appearing because of instability of one from the bistable element states. Due to laser pulse propagating and electrons diffusion, the instability of the states of the optical radiation-semiconductor system causes the 2D wave propagation of free-electrons and ionized donors in semiconductor. This process can essentially change properties of the bistable element.
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