Pulsed Four-Wave Mixing in Intersubband Transitions of a Semiconductor Quantum Well: Effects of Pulse Shape

被引:0
|
作者
Evangelou, Sofia [1 ]
Paspalakis, Emmanuel [1 ]
机构
[1] Univ Patras, Dept Mat Sci, Sch Nat Sci, Patras 26504, Greece
关键词
Four-wave mixing; semiconductor quantum well; intersubband transitions; two-subband system; density matrix equations; electron sheet density;
D O I
暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We study theoretically the phenomenon of pulsed four-wave mixing in intersubband transitions of a symmetric semiconductor quantum well structure. In the theoretical model we consider two quantum well subbands that are coupled by a strong pulsed pump electromagnetic field and a weak pulsed probe electromagnetic field. For the description of the system dynamics we use the density matrix equations obtained from the effective nonlinear Bloch equations. We calculate the time-integrated four-wave mixing spectrum for various pulse shapes and electron sheet densities and study the effects of pulse shape on four-wave mixing.
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页码:142 / 146
页数:5
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