Spatially incoherent modulational instability in a local medium

被引：25
|
作者：
Peccianti, M [1 ]
Conti, C [1 ]
Alberici, E [1 ]
Assanto, G [1 ]
机构：
[1] Univ Roma Tre, Natl Inst Phys Matter, Nonlinear Opt & Optoelect Lab, NooEL, I-00146 Rome, Italy
来源：
LASER PHYSICS LETTERS | 2005年 / 2卷 / 01期
关键词：
nonlinear transverse effects; self-action effects; liquid crystals; instability; nonlinear optics;
D O I：
10.1002/lapl.200410142
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We study one-dimensional transverse modulational instability in a non local medium excited by a spatially incoherent source. Employing undoped nematic liquid crystals in a planar pre-tilted configuration, we investigate the role of the spectral broadening induced by incoherence in conjunction with spatially non local molecular reorientation. The phenomenon is modeled using the Wigner transform..
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收藏
页码：25 / 29
页数：5
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