Title :
Highly efficient second-harmonic generation in direct-bonded MgO:LiNbO3 pure crystal waveguide
Author :
Sugita, T. ; Mizuuchi, K. ; Yamamoto, K. ; Fukuda, K. ; Kai, T. ; Nakayama, I. ; Takahashi, K.
Author_Institution :
Storage Media Syst. Dev. Center, Matsushita Electr. Ind. Co. Ltd., Osaka, Japan
Abstract :
Quasi-phase-matched second-harmonic generation in a pure crystal waveguide (PCW) is presented. A direct-bonded ridge structure with airgap boundary achieved the PCW in 3.2 μm periodically poled MgO:LiNbO3. In a single-pass configuration, CW 40 mW of blue light was generated with power conversion efficiency of 59%.
Keywords :
lithium compounds; magnesium compounds; optical harmonic generation; optical phase matching; optical waveguides; refractive index; LiNbO3:MgO; airgap boundary; direct-bonded MgO:LiNbO3 pure crystal waveguide; direct-bonded ridge structure; power conversion efficiency; pure crystal waveguide; quasi phase matching; second-harmonic generation; single-pass configuration;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20046010
