Quasi-phase-matching in GaAs-AlAs superlattice waveguides via bandgap tuning using quantum well intermixing

Helmy, Amr Saher; Hutchings, David C.; Kleckner, Todd C.; Marsh, John H.; Bryce, Ann Catrina
URI: http://hdl.handle.net/11400/15272
Publication Date: 2000
Type: Conference presentation
Conference Name: Nonlinear Optics: Materials, Fundamentals, and Applications
We report the observation of quasi-phase-matched second harmonic generation in GaAs-AlAs superlattice waveguides. Quasi-phase-matching was achieved by modulating the bulk-like second-order susceptibility with a bandgap shift induced using selective area quantum well intermixing.
Source: http://ieeexplore.ieee.org/
Subject: Science, Physics, Επιστήμη, Φυσική

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