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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 22, Iss. 2 — Jan. 15, 1997
  • pp: 78–80

Efficient ultraviolet-light (345-nm) generation in a bulk LiIO3 crystal by frequency doubling of a self-seeded gain-switched AlGaInP Fabry Perot semiconductor laser

Yasuhiro Uchiyama, Masahiro Tsuchiya, Hai-Feng Liu, and Takeshi Kamiya  »View Author Affiliations


Optics Letters, Vol. 22, Issue 2, pp. 78-80 (1997)
http://dx.doi.org/10.1364/OL.22.000078


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Abstract

A self-seeded gain-switched semiconductor laser is applied as a fundamental optical source to second-harmonic generation, and improvement of frequency-conversion efficiency is demonstrated. 345-nm ultraviolet light of 0.12-μW average power is generated in a bulk LiIO3 crystal for 690-nm fundamental light of 10.5-mW average power, which is composed of 500-MHz pulse trains emitted from an AlGaInP diode laser with a 68-ps temporal width and a 0.11-nm spectral bandwidth. It is clearly shown that the narrowing of the spectral bandwidth by the self-seeding technique gives rise to a normalized conversion efficiency of 0.218%/Wcm , which is fourtimes larger than that for pulses without seeding.

© 1997 Optical Society of America

Citation
Yasuhiro Uchiyama, Masahiro Tsuchiya, Hai-Feng Liu, and Takeshi Kamiya, "Efficient ultraviolet-light (345-nm) generation in a bulk LiIO3 crystal by frequency doubling of a self-seeded gain-switched AlGaInP Fabry Perot semiconductor laser," Opt. Lett. 22, 78-80 (1997)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-22-2-78

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