TITLE

Photorefractive waveguides and nonlinear mode coupling effects

AUTHOR(S)
Fischer, Baruch; Segev, Mordechai
PUB. DATE
February 1989
SOURCE
Applied Physics Letters;2/20/1989, Vol. 54 Issue 8, p684
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Nonlinear photorefractive wave mixing in waveguides provides unusual intermode coupling effects which are independent of the overall light intensities. We present and demonstrate processes in which high-order modes of a guided beam are converted into the low modes (funnel-like) and vice versa (antifunnel-like). We also show capabilities of launching and amplifying a guided beam by pumping the waveguide laterally. Another use of polarization state conversion is discussed.
ACCESSION #
9830003

 

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