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Proceedings Paper

Quasi-phase-matching using quantum-well-intermixing-induced modulation of the nonlinear susceptibility of asymmetric quantum wells
Author(s): J.-P. Bouchard; Siegfried Janz; Dan-Xia Xu; Zbigniew R. Wasilewski; U. G. Akano; Ian V. Mitchell; Paul Garrett Piva; Michel Tetu
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Paper Abstract

Quasi phase-matched second-harmonic generation in the co-propagating geometry is demonstrated in an asymmetric quantum well waveguide. Modulation of the nonlinear susceptibility along the waveguide was achieved using a patterned quantum well intermixing process. Photoluminescence measurements ofthe quanturn well band edges indicated that a grating of alternating regions of intermixed and as-grown asymmetric quantum wells was produced for periods between 2 jtm and 12 jim . The variation of the second harmonic intensity generated by guided incident light between A=1480 nm and 1600 nm was measured. The resulting second-harmonic spectra show sharp quasi-phase matching resonances for grating periods near 3 pm , demonstrating that a periodic modulation of the quantum well nonlinear susceptibility was produced.

Paper Details

Date Published: 15 December 2000
PDF: 10 pages
Proc. SPIE 4087, Applications of Photonic Technology 4, (15 December 2000); doi: 10.1117/12.406458
Show Author Affiliations
J.-P. Bouchard, Univ. Laval (Canada)
Siegfried Janz, National Research Council Canada (Canada)
Dan-Xia Xu, National Research Council Canada (Canada)
Zbigniew R. Wasilewski, National Research Council Canada (Canada)
U. G. Akano, Univ. of Western Ontario (Canada)
Ian V. Mitchell, Univ. of Western Ontario (Canada)
Paul Garrett Piva, National Research Council Canada (Canada)
Michel Tetu, Univ. Laval (Canada)

Published in SPIE Proceedings Vol. 4087:
Applications of Photonic Technology 4
Roger A. Lessard; George A. Lampropoulos, Editor(s)

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