Single PPLN SHG waveguide for full C band tuning range with watt level output through the engineered QPM structure

Jui-Yu Lai; Yu-Tai Huang; Jeng-Han Jang; Ming-Hsien Chou

doi:10.1117/12.3002391

12 March 2024 Single PPLN SHG waveguide for full C band tuning range with watt level output through the engineered QPM structure

Jui-Yu Lai, Yu-Tai Huang, Jeng-Han Jang, Ming-Hsien Chou

Author Affiliations +

Proceedings Volume 12869, Nonlinear Frequency Generation and Conversion: Materials and Devices XXIII; 1286909 (2024) https://doi.org/10.1117/12.3002391
Event: SPIE LASE, 2024, San Francisco, California, United States

Abstract

A large wavelength tuning range MgO-doped Periodically Poled Lithium Niobate (PPLN) ridge waveguide is fabricated. Using the iterative domino algorithm, an engineered Quasi Phase Matching (QPM) structure has been implemented to the ridge waveguide, which forms seven wavelength conversion peaks. Each designed conversion peak has equally nonlinear strength and 5nm wavelength separation, locates from 1530 nm to 1560 nm at 40 deg. C. Combined with temperature adjustment between 15 to 60 deg. C, which could tune each phase matching peak for more than 5 nm, full C band tuning range is achieved with high conversion efficiency. Under CW 5.5W single frequency C band input, 3.7W is coupled to the waveguide, and 2.5W SHG is generated.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Jui-Yu Lai, Yu-Tai Huang, Jeng-Han Jang, and Ming-Hsien Chou "Single PPLN SHG waveguide for full C band tuning range with watt level output through the engineered QPM structure", Proc. SPIE 12869, Nonlinear Frequency Generation and Conversion: Materials and Devices XXIII, 1286909 (12 March 2024); https://doi.org/10.1117/12.3002391

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