Coupling Characteristics between a Slab Waveguide and a Tapered Slab Waveguide with a Wedge-Shaped Nonlinear Cladding

Kazuo ONO
Tamotsu SAKAI
Hisashi OSAWA
Yoshihiro OKAMOTO

IEICE TRANSACTIONS on Electronics   Vol.E75-C    No.8    pp.953-956
Publication Date: 1992/08/25
Online ISSN: 
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Opto-Electronics
spatial soliton,  coupling,  wedge-shaped nonlinear cladding,  optical Kerr-like media,  offset,  

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A novel coupling configuration consisting of a tapered slab waveguide with a wedge-shaped nonlinear cladding is proposed. Coupling characteristics for TE waves are analyzed by means of the beam propagation method. The proposed configuration is less sensitive to the offset between coupled waveguides than is the configuration with a homogeneous non-linear cladding.