Noncritical'' phase matching in optical waveguides

Phase matching of nonlinear three-wave optical processes in optical waveguides is shown to be possible with the use of only zero-order TE and TM modes, such that the phase-match condition is made insensitive to waveguide thickness over a limited region. This is accomplished by adjusting the phase sh...

Full description

Saved in:
Bibliographic Details
Published in:Applied physics letters 1973-01, Vol.22 (4), p.143-145
Main Authors: Burns, W.K., Andrews, R.A.
Format: Article
Language:English
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Phase matching of nonlinear three-wave optical processes in optical waveguides is shown to be possible with the use of only zero-order TE and TM modes, such that the phase-match condition is made insensitive to waveguide thickness over a limited region. This is accomplished by adjusting the phase shifts on total internal reflection for lowest-order modes, near cutoff, in a thin nearly symmetric waveguide. This ``noncritical'' situation eases the requirements on waveguide fabrication. Limitations due to bulk dispersion, waveguide asymmetry, and surface scattering losses are discussed.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.1654588