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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 5 — Mar. 1, 2014
  • pp: 1274–1277

Highly efficient continuous wave blue second-harmonic generation in fs-laser written periodically poled Rb:KTiOPO4 waveguides

Sebastian Müller, Thomas Calmano, Philip W. Metz, Christian Kränkel, Carlota Canalias, Charlotte Liljestrand, Fredrik Laurell, and Günter Huber  »View Author Affiliations


Optics Letters, Vol. 39, Issue 5, pp. 1274-1277 (2014)
http://dx.doi.org/10.1364/OL.39.001274


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Abstract

Waveguides were inscribed into a 9.5 mm long periodically poled KTiOPO4 crystal with a Ti:sapphire femtosecond-laser. Waveguiding was achieved between two parallel written tracks with spacings of 17–19 μm. The fundamental power of 1.6 W for frequency doubling in the waveguide was delivered by a continuous wave Ti:sapphire laser at a wavelength of 943.18 nm. A maximum output power of 76 mW in the blue spectral region was achieved. This corresponds to a single pass normalized conversion efficiency of 4.6%W1cm2.

© 2014 Optical Society of America

OCIS Codes
(140.7300) Lasers and laser optics : Visible lasers
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4400) Nonlinear optics : Nonlinear optics, materials
(230.7380) Optical devices : Waveguides, channeled

ToC Category:
Nonlinear Optics

History
Original Manuscript: November 28, 2013
Revised Manuscript: January 24, 2014
Manuscript Accepted: January 24, 2014
Published: February 25, 2014

Citation
Sebastian Müller, Thomas Calmano, Philip W. Metz, Christian Kränkel, Carlota Canalias, Charlotte Liljestrand, Fredrik Laurell, and Günter Huber, "Highly efficient continuous wave blue second-harmonic generation in fs-laser written periodically poled Rb:KTiOPO4 waveguides," Opt. Lett. 39, 1274-1277 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-5-1274

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