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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 14 — Jul. 15, 2012
  • pp: 2814–2816

Internal Q-switching and self-optical parametric oscillation in a two-dimensional periodically poled Nd:MgO:LiNbO3 laser

Y. H. Chen, W. K. Chang, N. Hsu, C. Y. Chen, and J. W. Chang  »View Author Affiliations


Optics Letters, Vol. 37, Issue 14, pp. 2814-2816 (2012)
http://dx.doi.org/10.1364/OL.37.002814


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Abstract

We report on an internally Q-switched self-optical parametric oscillator (SOPO) based on a monolithic two-dimensional (2D) periodically poled Nd:MgO:LiNbO3 (Nd:MgO:PPLN) integrating three device functionalities of a laser gain medium, an electro-optic Bragg Q-switch, and an optical parametric gain medium (OPGM). The quasi-phase-matching conditions required by the Bragg Q-switch and OPGM are both satisfied in the 2D nonlinear photonic crystal (NPC) structure formed in the Nd:MgO:PPLN. A 1525 nm signal with a pulse energy of 3.3μJ (>350W peak power) was obtained from the SOPO at 8.5 W diode pump power. An off-angle signal at 1612 nm, amplified by a unique gain-enhancement effect in this 2D NPC, was also observed. Tuning of the SOPO in the eye-safe region was demonstrated.

© 2012 Optical Society of America

OCIS Codes
(130.3730) Integrated optics : Lithium niobate
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(230.2090) Optical devices : Electro-optical devices

ToC Category:
Nonlinear Optics

History
Original Manuscript: April 17, 2012
Revised Manuscript: May 23, 2012
Manuscript Accepted: May 26, 2012
Published: July 4, 2012

Citation
Y. H. Chen, W. K. Chang, N. Hsu, C. Y. Chen, and J. W. Chang, "Internal Q-switching and self-optical parametric oscillation in a two-dimensional periodically poled Nd:MgO:LiNbO3 laser," Opt. Lett. 37, 2814-2816 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-14-2814

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