Quantum kinetics of femtosecond four-wave mixing in semiconductors

被引：18

作者：

Banyai, L ^{[1
]}

Reitsamer, E ^{[1
]}

Thoai, DBT ^{[1
]}

Haug, H ^{[1
]}

机构：

[1] INST PHYS, HO CHI MINH CITY, VIETNAM

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 1996年 / 13卷 / 06期

关键词：

D O I：

10.1364/JOSAB.13.001278

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We calculate the transient degenerate four-wave mixing signal with ultrashort laser pulses within the self-consistent formulation of the quantum kinetics of electrons and holes in a semiconductor interacting with longitudinal-optical (LO) phonons. Our numerical calculation shows that the integrated four-wave mixing signal as a function of the delay time shows an effective exponential decay, which, however, is modulated by an oscillation with a characteristic energy by omega(LO)[1 + (me/mh)]. This peculiar quantum beat is caused by the interference of the interband polarization components, which are connected through a LO-phonon transition in the conduction band. (C) 1996 Optical Society of America

引用

页码：1278 / 1283

页数：6

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