Ultrashort-pulse-controlled all-optical modulation by interband and intersubband transitions in doped quantum wells

被引：11
|
作者：
Neogi, A
Wada, O
Takahashi, Y
Kawaguchi, H
机构：
[1] Femtosecond Technol Res Assoc, Tsukuba, Ibaraki 3002635, Japan
[2] New Energy & Ind Res Dev Org, Tokyo 170, Japan
[3] Yamagata Univ, Fac Engn, Yonezawa, Yamagata 9920038, Japan
来源：
OPTICS LETTERS | 1998年 / 23卷 / 15期
关键词：
D O I：
10.1364/OL.23.001212
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The optimum condition for achieving highly efficient ultrafast all-optical pulse modulation by modification of the absorption Of a pulsed interband light field by ultrasubband control-light pulses in a doped quantum well is investigated. The modulation efficiency in the femtosecond domain can be maximized by an intersubband control light with a pulse width (200 fs) that is comparable with the phase-relaxation time of the system and an intensity that is close to the intersubband saturation intensity. (C) 1998 Optical Society of America.
引用
收藏
页码：1212 / 1214
页数：3
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