Second-harmonic generation of blue light in a LiTaO3 waveguide

Kiminori Mizuuchi; Kazuhisa Yamamoto; Tetsuo Taniuchi

doi:10.1063/1.104769

Second-harmonic generation of blue light in a LiTaO₃ waveguide

Kiminori Mizuuchi, Kazuhisa Yamamoto, Tetsuo Taniuchi

Advanced Interdisciplinary Research Division

Research output: Contribution to journal › Article › peer-review

96 Citations (Scopus)

Abstract

We report blue light generation in a LiTaO₃ waveguide by quasi-phase-matched (QPM) second-harmonic generation (SHG). A periodically domain-inverted structure for QPM is fabricated in LiTaO₃ by proton exchange of a selective Ta-masked area using pyrophosphoric acid followed by heat treatment. By utilizing this structure and low-loss proton-exhanged waveguides, we have realized a third-order QPM-SHG device. As a result, 0.13 mW of harmonic blue light was generated for a conversion efficiency of 18%/W.

Original language	English
Pages (from-to)	2732-2734
Number of pages	3
Journal	Applied Physics Letters
Volume	58
Issue number	24
DOIs	https://doi.org/10.1063/1.104769
Publication status	Published - 1991 Dec 1

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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abstract = "We report blue light generation in a LiTaO3 waveguide by quasi-phase-matched (QPM) second-harmonic generation (SHG). A periodically domain-inverted structure for QPM is fabricated in LiTaO3 by proton exchange of a selective Ta-masked area using pyrophosphoric acid followed by heat treatment. By utilizing this structure and low-loss proton-exhanged waveguides, we have realized a third-order QPM-SHG device. As a result, 0.13 mW of harmonic blue light was generated for a conversion efficiency of 18%/W.",

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AU - Taniuchi, Tetsuo

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N2 - We report blue light generation in a LiTaO3 waveguide by quasi-phase-matched (QPM) second-harmonic generation (SHG). A periodically domain-inverted structure for QPM is fabricated in LiTaO3 by proton exchange of a selective Ta-masked area using pyrophosphoric acid followed by heat treatment. By utilizing this structure and low-loss proton-exhanged waveguides, we have realized a third-order QPM-SHG device. As a result, 0.13 mW of harmonic blue light was generated for a conversion efficiency of 18%/W.

AB - We report blue light generation in a LiTaO3 waveguide by quasi-phase-matched (QPM) second-harmonic generation (SHG). A periodically domain-inverted structure for QPM is fabricated in LiTaO3 by proton exchange of a selective Ta-masked area using pyrophosphoric acid followed by heat treatment. By utilizing this structure and low-loss proton-exhanged waveguides, we have realized a third-order QPM-SHG device. As a result, 0.13 mW of harmonic blue light was generated for a conversion efficiency of 18%/W.

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