Fabrication of polarity inverted LiNbO3/GaN channel waveguide by surface activated bonding for high-efficiency transverse quasi-phase-matched wavelength conversion

GaN is an attractive material for integrating optical quantum devices. Adding a large optical nonlinearity of MgO doped congruent LiNbO3 (MgO:CLN) to GaN will improve the efficiency of quantum light sources. In this work, we proposed transverse quasi-phase-matched wavelength conversion devices with...

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