SPATIAL SOLITONS IN A SELF-FOCUSING SEMICONDUCTOR GAIN MEDIUM

被引:37
作者
KHITROVA, G
GIBBS, HM
KAWAMURA, Y
IWAMURA, H
IKEGAMI, T
SIPE, JE
MING, L
机构
[1] UNIV TORONTO, DEPT PHYS, TORONTO M5S 1A7, ONTARIO, CANADA
[2] UNIV ARIZONA, CTR OPT SCI, TUCSON, AZ 85721 USA
关键词
D O I
10.1103/PhysRevLett.70.920
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
A beam propagating in a planar waveguide exhibits the characteristics of both a fundamental soliton (little change in waist of a 5-mum beam; diffraction is compensated by self-focusing nonlinear refraction) and a second-order soliton (10-mum beam focuses to 3 mum with side peaks). These one-dimensional spatial solitons are quite stable; bifurcations of transverse solitary waves are not seen, in sharp contrast with the case for two transverse dimensions. Plasma-theory planar-wave beam-propagation computations agree well with the data and resemble Kerr-medium solitons quite closely.
引用
收藏
页码:920 / 923
页数:4
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