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Optics Letters

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  • Vol. 26, Iss. 9 — May. 1, 2001
  • pp: 623–625

Efficient third-harmonic generation in partly periodically poled KTiOPO4 crystal

Xiaodong Mu and Yujie J. Ding  »View Author Affiliations


Optics Letters, Vol. 26, Issue 9, pp. 623-625 (2001)
http://dx.doi.org/10.1364/OL.26.000623


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Abstract

A partly periodically poled KTiOPO<sub>4</sub> (KTP) crystal has been designed to integrate quasi-phase-matched second-harmonic generation (QPM SHG) with sum-frequency generation in one crystal for generating a third-harmonic beam. The highest conversion efficiencies of 45% and 3% have been achieved in our experiments for QPM SHG and third-harmonic generation, respectively, by use of picosecond laser pulses at 1.327 µm . We have also discovered that periodically poled KTP has slightly different indices (<i>n</i><sub>z</sub>) from bulk KTP.

© 2001 Optical Society of America

OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4360) Nonlinear optics : Nonlinear optics, devices
(190.4400) Nonlinear optics : Nonlinear optics, materials
(230.0230) Optical devices : Optical devices

Citation
Xiaodong Mu and Yujie J. Ding, "Efficient third-harmonic generation in partly periodically poled KTiOPO4 crystal," Opt. Lett. 26, 623-625 (2001)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-26-9-623


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