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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页码：R4457 / R4460

页数：4

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