27 January 2017 GaAs/AlGaAs waveguiding wavelength conversion devices
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Wavelength conversion via quadratic optical nonlinearity in AlGaAs waveguiding devices will be presented. Devices reported in this article include periodically inverted quasi-phase matching (QPM) devices and thin- rectangular high-index-contrast birefringence phase matching devices. Special emphasis will be placed on GaAs/AlGaAs QPM waveguides fabricated based on epitaxial growth technique (sublattice reversal epitaxy) we have developed for growing spatially inverted semiconductors. We have succeeded in demonstrating QPM second-harmonic generation and difference-frequency generation with reasonably high efficiencies.
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Takashi Kondo, Takashi Kondo, } "GaAs/AlGaAs waveguiding wavelength conversion devices", Proc. SPIE 10111, Quantum Sensing and Nano Electronics and Photonics XIV, 101111X (27 January 2017); doi: 10.1117/12.2242696; https://doi.org/10.1117/12.2242696

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