Interaction of few-cycle laser pulses in an isotropic nonlinear medium

被引：0
|
作者：
Oganesyan, D. L.
Vardanyan, A. O.
机构：
[1] Yerevan State Univ, Yerevan 375049, Armenia
[2] Yerevan Res Inst Optophys Measurements, Yerevan 375031, Armenia
来源：
QUANTUM ELECTRONICS | 2007年 / 37卷 / 06期
关键词：
femtosecond laser pulse; nonstationary stimulated Raman scattering; spectral shift; finite dijference method;
D O I：
10.1070/QE2007v037n06ABEH013440
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：
The interaction of few-cycle laser pulses propagating in an isotropic nonlinear medium is studied theoretically. A system of nonlinear Maxwell's equations is integrated numerically with respect to time by the finite difference method. The interaction of mutually orthogonal linearly polarised 0.81-pm, 10-fs pulses is considered. Both the instant Kerr polarisation response and Raman inertial response of the medium in the nonlinear part of the medium are taken into account. The spectral shift of the probe pulse caused by the cross-action of the reference pulse is studied. The spectra of the interacting pulses are studied for different time delays between them and the shifts of these spectra are obtained as a function of the time delay.
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页码：554 / 560
页数：7
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