NANOSECOND 4-WAVE-MIXING IN SEMIINSULATING GAAS

被引：13

作者：

DISDIER, L

ROOSEN, G

机构：

[1] Institut d'Optique Théorique et Appliquée, Unité de Recherche Associée au, Centre National de la Recherche Scientifique, 91403 Orsay Cedex, No. 14, Bâtiment 503

来源：

OPTICS COMMUNICATIONS | 1992年 / 88卷 / 4-6期

关键词：

D O I：

10.1016/0030-4018(92)90084-5

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Dynamic gratings of free carriers are generated from optical excitation, with nanosecond pulses, of the deep EL2 level in semi-insulating gallium arsenide. The photogenerated holes and electrons change the plasma frequency of the sample producing a nonlinear modification of its index of refraction. This effect is evidenced by a degenerate four-wave mixing experiment. In regards to the sample parameters, a fair agreement is obtained between the experimental values and the theoretical predictions derived from of the Drude-Lorentz model and the anharmonic motion of carriers.

引用

页码：559 / 568

页数：10

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