COUPLED SOLITONS IN WAVE-GUIDES WITH 2ND-ORDER AND 3RD-ORDER NONLINEARITIES

被引:36
作者
KARPIERZ, MA
机构
[1] Institute of Physics, Warsaw University of Technology, Koszykowa Warszawa
关键词
D O I
10.1364/OL.20.001677
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The analytical form of coupled temporal solitons in waveguides with second- and third-order nonlinearities is presented. The solutions are obtained for group-velocity dispersions of the same sign for both fundamental and second-harmonic frequencies. In particular, three types of coupled soliton are found: bright solitons, which can exist in materials with second- or third-order nonlinearities; semidark (twin-hole) solitons, which require materials with second-order nonlinearity; and gray coupled solitons existing only in materials with both nonvanishing nonlinearities. (C) 1995 Optical Society of America
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页码:1677 / 1679
页数:3
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