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Backward difference frequency generation in an AlGaAs waveguide

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8 Author(s)
Lanco, L. ; Laboratoire Matériaux et Phénomènes Quantiques, UMR 7162, Université Paris 7-Denis Diderot, Case 7021, 2 Place Jussieu, 75251 Paris, France ; Ducci, S. ; Likforman, J.P. ; Ravaro, M.
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Your organization might have access to this article on the publisher's site. To check, click on this link:http://dx.doi.org/+10.1063/1.2226996 

We report on the observation of a noncollinear difference frequency generation at 1.55 μm in an AlGaAs multilayer waveguide. In such three-wave-mixing process, which occurs between a transverse pump beam and two counterpropagating guided modes, the phase matching parameter is the angle of incidence of the pump and the peak efficiency is 3.5×10-6 W-1. This innovative device is suitable as a tunable, narrow-bandwidth source of counterpropagating twin photons for quantum information.

Published in:

Applied Physics Letters  (Volume:89 ,  Issue: 3 )

Date of Publication:

Jul 2006

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