COHERENT SIGNAL GENERATION IN CUCL BY LIGHT-INDUCED GRATING AND INDUCED BIEXCITON DECAY

被引：7

作者：

LEVY, R

GOMES, MJM

KIPPELEN, B

HONERLAGE, B

机构：

[1] Institut de Physique et Chimie des Matériaux de Strasbourg, Unité Mixte, associée au C. N. R. S, Groupe d'Optique Nonlinéaire et d'Optoélectronique, Strasbourg

来源：

PHYSICA STATUS SOLIDI B-BASIC RESEARCH | 1990年 / 158卷 / 01期

关键词：

D O I：

10.1002/pssb.2221580139

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Using a picosecond light source and a streak camera as detection system, the temporal evolution of the signal generated throughout degenerate four‐wave mixing (DFWM) experiments is analysed in CuCl at low temperature. The signal emission shows different temporal behaviour depending on whether the test pulse reaches the surface of the sample before, during, or after the pump pulse. This enables one to distinguish the light‐induced grating contribution from the induced decay of quasi‐particles. The latter process can then be used to determine their dephasing time. Copyright © 1990 WILEY‐VCH Verlag GmbH & Co. KGaA

引用

页码：391 / 396

页数：6

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