Generation of acoustic phonons in semiconductor superlattice in the case of an intraband absorption of electromagnetic wave

被引：2

作者：

Vyazovsky M.V. ^{[1
]}

Syrodoev G.A. ^{[1
]}

机构：

[1] Volgograd State Pedagogical University, Volgograd

来源：

Radiophysics and Quantum Electronics | 2005年 / 48卷 / 5期

关键词：

Electromagnetic Wave; Acoustic Wave; Quantum Electronics; Nonlinear Optic; Acoustic Phonon;

D O I：

10.1007/s11141-005-0081-y

中图分类号：

学科分类号：

摘要：

We obtain the damping coefficient of an acoustic wave for the case of intraband multiphoton absorption of an electromagnetic wave in a superlattice. The ranges in which the acoustic damping coefficient reverses sign are determined for the sound-propagation directions which are transverse and parallel to the superlattice axis. Numerical summation of the series for the acoustic-wave gain is performed for typical parameters of the superlattice. The gain is estimated numerically. It is noted that multiphoton absorption affects the acoustic-wave gain in the superlattice if the field value is much smaller than that in a standard semiconductor. © Springer Science+Business Media, Inc. 2005.

引用

页码：390 / 393

页数：3

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