Novel wavelength converters made of nitride semiconductors: transverse QPM waveguides and monolithic microcavities

Ryuji Katayama; Masahiro Uemukai; Tomoyuki Tanikawa

doi:10.1117/12.2585300

8 March 2021 Novel wavelength converters made of nitride semiconductors: transverse QPM waveguides and monolithic microcavities

Ryuji Katayama, Masahiro Uemukai, Tomoyuki Tanikawa

Author Affiliations +

Proceedings Volume 11686, Gallium Nitride Materials and Devices XVI; 1168617 (2021) https://doi.org/10.1117/12.2585300
Event: SPIE OPTO, 2021, Online Only

Abstract

Two types of novel wavelength conversion device structure are proposed: a transverse quasi-phase matched waveguide and a monolithic microcavity. The former includes polarity-inverted stacked multilayer of AlN or GaN artificially fabricated by wafer bonding or epitaxial polarity inversion techniques. And the latter is a microcavity composed of a GaN domain with one coherence length sandwiched with two DBRs. The report on the successful demonstration of second harmonic generation and the discussion on the exploration for the novel nonlinear optical materials, even in the absence of birefringence and ferroelectricity, will be given in the presentation.

Conference Presentation

Citation Download Citation

Ryuji Katayama, Masahiro Uemukai, and Tomoyuki Tanikawa "Novel wavelength converters made of nitride semiconductors: transverse QPM waveguides and monolithic microcavities", Proc. SPIE 11686, Gallium Nitride Materials and Devices XVI, 1168617 (8 March 2021); https://doi.org/10.1117/12.2585300

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