DARK AND BRIGHT PHOTOVOLTAIC SPATIAL SOLITONS

被引：412
|
作者：
VALLEY, GC
SEGEV, M
CROSIGNANI, B
YARIV, A
FEJER, MM
BASHAW, MC
机构：
[1] CALTECH, PASADENA, CA 91125 USA
[2] STANFORD UNIV, STANFORD, CA USA
[3] UNIV LAQUILA, DIPARTIMENTO FIS, LAQUILA, ITALY
来源：
PHYSICAL REVIEW A | 1994年 / 50卷 / 06期
关键词：
D O I：
10.1103/PhysRevA.50.R4457
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Dark (bright) planar spatial solitons are predicted for photovoltaic photorefractive materials when the diffraction of an optical beam is exactly compensated by nonlinear self-defocusing (focusing) due to the photovoltaic field and electro-optic effect. These solitons may have steady-state irradiances of microwatts to milliwatts per square centimeter and widths as small as 10 m in lithium niobate. Optical control is provided by incoherent illumination, and the nonlinear index of a dark soliton may be used to trap a bright soliton by rotating the plane of polarization of the soliton field. © 1994 The American Physical Society.
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收藏
页码：R4457 / R4460
页数：4
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