SOLITON PROPAGATION IN OPTICAL WAVEGUIDES MADE OF MEDIA WITH NON-CENTRAL SYMMETRY

GUO QI; REN ZHAN-MEI; LIAO CHANG-JUN; LIU SONG-HAO

doi:10.7498/aps.41.1097

Abstract

In this paper, it is demonstrated theoretically that, under the strong dispersion condition, the optical waveguides made of the media with non-central symmetry where the second order nonlinear susceptibility (SONS) is not zero, e.g.the thin-film waveguides and crystalline fibers, can also support these solitons but the nonlinear-index coefficient (NIC) in the nonlinea schro-dinger equation should be substituted by the effective NIC defined here. The results obtained here can be easily extended to discuss the other nonlinear effects connected with the NIC in the media with noncentral symmetry because of the definition of the effective NIC.

PACS:

78.40.Fy	(Semiconductors)
78.66.Fd	(III-V semiconductors)
78.20.Ci	(Optical constants (including refractive index, complex dielectric constant, absorption, reflection and transmission coefficients, emissivity))

Authors and contacts

(1)华南师范大学量子电子学研究所,广州510631; (2)中国科学技术大学,博士后研究人员

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Catalog

Vol. 41, Issue 7 - 1992-04-05

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