Quasi-phase-matching using quantum-well-intermixing-induced modulation of the nonlinear susceptibility of asymmetric quantum wells

J.-P. Bouchard; Siegfried Janz; Dan-Xia Xu; Zbigniew R. Wasilewski; U. G. Akano; Ian V. Mitchell; Paul Garrett Piva; Michel Tetu

doi:10.1117/12.406458

15 December 2000 Quasi-phase-matching using quantum-well-intermixing-induced modulation of the nonlinear susceptibility of asymmetric quantum wells

J.-P. Bouchard, Siegfried Janz, Dan-Xia Xu, Zbigniew R. Wasilewski, U. G. Akano, Ian V. Mitchell, Paul Garrett Piva, Michel Tetu

Author Affiliations +

Proceedings Volume 4087, Applications of Photonic Technology 4; (2000) https://doi.org/10.1117/12.406458
Event: 2000 International Conference on Application of Photonic Technology (ICAPT 2000), 2000, Quebec City, Canada

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.

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J.-P. Bouchard, Siegfried Janz, Dan-Xia Xu, Zbigniew R. Wasilewski, U. G. Akano, Ian V. Mitchell, Paul Garrett Piva, and Michel Tetu "Quasi-phase-matching using quantum-well-intermixing-induced modulation of the nonlinear susceptibility of asymmetric quantum wells", Proc. SPIE 4087, Applications of Photonic Technology 4, (15 December 2000); https://doi.org/10.1117/12.406458

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