Abstract
Quasi-phase-matched (QPM) UV second-harmonic generation (SHG) in a periodically poled waveguide is presented. A ridge-type waveguide with high nonlinearity and strong resistance to photorefractive damage was achieved by use of an ultraprecision machining technique. By use of this waveguide in periodically poled , a first-order QPM SHG device for 340-nm UV radiation was demonstrated. In a single-pass configuration, continuous-wave 22.4-mW UV light was generated for a fundamental power of 81 mW, corresponding to a normalized conversion efficiency of 340%/W.
© 2003 Optical Society of America
Full Article | PDF ArticleMore Like This
Kiminori Mizuuchi, Akihiro Morikawa, Tomoya Sugita, and Kazuhisa Yamamoto
Opt. Lett. 28(11) 935-937 (2003)
Tomoya Sugita, Kiminori Mizuuchi, Yasuo Kitaoka, and Kazuhisa Yamamoto
Opt. Lett. 24(22) 1590-1592 (1999)
Akinori Harada, Yasukazu Nihei, Yoji Okazaki, and Hiroaki Hyuga
Opt. Lett. 22(11) 805-807 (1997)