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Optics Letters

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  • Vol. 28, Iss. 15 — Aug. 1, 2003
  • pp: 1344–1346

Efficient 340-nm light generation by a ridge-type waveguide in a first-order periodically poled MgO:LiNbO3

Kiminori Mizuuchi, Tomoya Sugita, Kazuhisa Yamamoto, Tatsuo Kawaguchi, Takeshi Yoshino, and Minoru Imaeda  »View Author Affiliations


Optics Letters, Vol. 28, Issue 15, pp. 1344-1346 (2003)
http://dx.doi.org/10.1364/OL.28.001344


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Abstract

Quasi-phase-matched (QPM) UV second-harmonic generation (SHG) in a periodically poled MgO:LiNbO3 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 1.4-μm periodically poled MgO:LiNbO3 , 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

OCIS Codes
(190.4360) Nonlinear optics : Nonlinear optics, devices
(230.7380) Optical devices : Waveguides, channeled

Citation
Kiminori Mizuuchi, Tomoya Sugita, Kazuhisa Yamamoto, Tatsuo Kawaguchi, Takeshi Yoshino, and Minoru Imaeda, "Efficient 340-nm light generation by a ridge-type waveguide in a first-order periodically poled MgO:LiNbO3," Opt. Lett. 28, 1344-1346 (2003)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-28-15-1344


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