Nonlinear optical responses due to exciton-phonon interactions in strongly coupled exciton-phonon systems

被引:0
|
作者
K.-D. Zhu
X.-Z. Yuan
J.-J. Dong
W.-S. Li
机构
[1] Shanghai Jiao Tong University,Department of Physics
[2] The Hong Kong Polytechnic University,Department of Electronic and Information Engineering
关键词
Optical Absorption; Optical Response; Optical Phonon; Phonon Frequency; Field Frequency;
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学科分类号
摘要
The excitonic nonlinear optical responses due to exciton-phonon interactions in strongly coupled exciton-phonon systems are investigated theoretically. It is shown that the influence of exciton-phonon interactions on the nonlinear optical absorptions and Kerr nonlinear coefficients is significant as the signal field frequency detuning from the exciton frequency approaches to the optical phonon frequency. How to manipulate the nonlinear optical responses by using the control fields is also presented.
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页码:117 / 121
页数:4
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