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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 22 — Nov. 4, 2013
  • pp: 25907–25911

Generation of blue light at 426 nm by frequency doubling with a monolithic periodically poled KTiOPO4

Xue Deng, Jing Zhang, Yuchi Zhang, Gang Li, and Tiancai Zhang  »View Author Affiliations

Optics Express, Vol. 21, Issue 22, pp. 25907-25911 (2013)

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Continuous-wave (cw) blue laser generation at 426 nm by frequency doubling with a monolithic periodically poled KTP (PPKTP) cavity is reported in this paper. Without any free mirrors, the standing-wave cavity solely consists of a monolithic PPKTP crystal, and both ends of which are spherically polished and mirror-coated. An output power of 158 mW is obtained when the pump power is 350 mW. The conversion efficiency is 45%. The dependence of the conversion efficiency on the temperature and the incident fundamental power has been discussed. Such a system is integrally stable and compact for long-time operation under temperature control. The system is much more stable than the usual servo lock system for external cavity doubling.

© 2013 Optical Society of America

OCIS Codes
(140.4780) Lasers and laser optics : Optical resonators
(190.2620) Nonlinear optics : Harmonic generation and mixing

ToC Category:
Lasers and Laser Optics

Original Manuscript: September 11, 2013
Revised Manuscript: October 12, 2013
Manuscript Accepted: October 12, 2013
Published: October 22, 2013

Xue Deng, Jing Zhang, Yuchi Zhang, Gang Li, and Tiancai Zhang, "Generation of blue light at 426 nm by frequency doubling with a monolithic periodically poled KTiOPO4," Opt. Express 21, 25907-25911 (2013)

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