Femtosecond dynamics of the optical Stark effect in semiconductor-doped glass

被引：11
|
作者：
Tsuda, S
Cruz, CHB
机构：
[1] Instituto de Física ''Gleb Wataghin'', Universidade Estadual de Compinas (UNICAMP), 13083-970, Campinas SP
来源：
APPLIED PHYSICS LETTERS | 1996年 / 68卷 / 08期
关键词：
D O I：
10.1063/1.115723
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We report the observation of the optical Stark shift in CdSxSe1-x semiconductor-doped glass excited under nonresonant below gap condition and probed with femtosecond optical pulses. An ultrafast and pure light-induced shift of the bandedge is observed. The measured dependence of the band edge shift with the pump pulse peak intensity is linear for pump intensities up to 0.3 GW/cm(2) Above this value, departure from linearity is observed. For a pump intensity of 3 GW/cm(2), the band shifts by 11 meV. The response of the shift tracks the profile of the pumping pulse. (C) 1996 American Institute of Physics.
引用
收藏
页码：1093 / 1095
页数：3
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