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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 33, Iss. 20 — Oct. 15, 2008
  • pp: 2338–2340

Observation of thermal-induced optical guiding and bistability in a mid-IR continuous-wave, singly resonant optical parametric oscillator

S. T. Lin, Y. Y. Lin, Y. C. Huang, A. C. Chiang, and J. T. Shy  »View Author Affiliations


Optics Letters, Vol. 33, Issue 20, pp. 2338-2340 (2008)
http://dx.doi.org/10.1364/OL.33.002338


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Abstract

We report the observation of thermal-induced optical guiding and bistability in a mid-IR cw, singly resonant optical parametric oscillator (SRO) at 3.2 μ m . The SRO employs a MgO:PPLN crystal as the gain medium and a 1-nm-linewidth Yb-fiber laser at 1.064 μ m as the pump source. As soon as the pump power reaches the thermal guiding threshold at 16.5 W , the SRO shows a step increase in the parametric efficiency by a factor of 2.5. At 25 W pump power, the SRO generated 5.3 and 1.2 W at 1.58 and 3.23 μ m , respectively, with single-longitudinal-mode performance for the 3.23 μ m radiation.

© 2008 Optical Society of America

OCIS Codes
(190.1450) Nonlinear optics : Bistability
(190.4870) Nonlinear optics : Photothermal effects
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers

ToC Category:
Nonlinear Optics

History
Original Manuscript: July 7, 2008
Revised Manuscript: August 25, 2008
Manuscript Accepted: August 25, 2008
Published: October 13, 2008

Citation
S. T. Lin, Y. Y. Lin, Y. C. Huang, A. C. Chiang, and J. T. Shy, "Observation of thermal-induced optical guiding and bistability in a mid-IR continuous-wave, singly resonant optical parametric oscillator," Opt. Lett. 33, 2338-2340 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-20-2338


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