TITLE

Parametric amplification in GaAs/AlOx waveguide

AUTHOR(S)
Guillotel, E.; Ravaro, M.; Ghiglieno, F.; Langlois, C.; Ricolleau, C.; Ducci, S.; Favero, I.; Leo, G.
PUB. DATE
April 2009
SOURCE
Applied Physics Letters;4/27/2009, Vol. 94 Issue 17, p171110
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We report the direct proof of parametric amplification in a semiconductor waveguide. Thanks to low propagation losses and high nonlinear efficiency, we amplified an input signal at 2 μm in a selectively oxidized GaAs/AlAs multilayer waveguide through the down conversion of a pump at 1 μm. The 4.5% single-pass gain measured for a 30 mW cw pump is compatible with parametric oscillation, provided that distributed and concentrated waveguide losses are further reduced.
ACCESSION #
38712328

 

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