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Proceedings Paper

AlGaAs waveguide generation of counterpropagating twin photons
Author(s): L. Lanco; S. Ducci; J. Likforman; M. Ravaro; V. Berger; G. Leo
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Paper Abstract

We demonstrate an integrated semiconductor source of counterpropagating twin photons in the telecom range. A pump beam impinging on top of an AlGaAs waveguide generates parametrically two counterpropagating, orthogonally polarized signal/idler guided modes. A 2 mm long waveguide emits at room temperature one average photon pair per pump pulse, with a spectral linewidth of 0.15 nm. The twin nature of the emitted photons is tested through a time-correlation measurement.

Paper Details

Date Published: 8 May 2007
PDF: 6 pages
Proc. SPIE 6582, Nonlinear Optics and Applications II, 65820M (8 May 2007); doi: 10.1117/12.723128
Show Author Affiliations
L. Lanco, Univ. Paris - Diderot (France)
S. Ducci, Univ. Paris - Diderot (France)
J. Likforman, Univ. Paris - Diderot (France)
M. Ravaro, Univ. Paris - Diderot (France)
V. Berger, Univ. Paris - Diderot (France)
G. Leo, Univ. Paris - Diderot (France)

Published in SPIE Proceedings Vol. 6582:
Nonlinear Optics and Applications II
Mario Bertolotti, Editor(s)

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