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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 34, Iss. 15 — Aug. 1, 2009
  • pp: 2255–2257

Continuous-wave optical parametric oscillator pumped by a fiber laser green source at 532 nm

G. K. Samanta, S. Chaitanya Kumar, Ritwick Das, and M. Ebrahim-Zadeh  »View Author Affiliations

Optics Letters, Vol. 34, Issue 15, pp. 2255-2257 (2009)

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We report a high-power, cw, singly resonant optical parametric oscillator (SRO) using a simple, compact fiber pump laser architecture in the green. The SRO, based on MgO:sPPLT, is pumped by 9.6 W of single-frequency cw radiation at 532 nm obtained by single-pass second-harmonic generation (SHG) of a 30 W Yb fiber laser, also in MgO:sPPLT. Using two identical crystals of 30 mm length for SHG and SRO, we generate cw idler powers of up to 2 W over 855 1408 nm , with a peak-to-peak power stability < 11.7 % over 40 min , in a TEM 00 spatial mode with M 2 < 1.26 . Using finite output coupling of the resonant wave, we extract 800 mW of signal power with peak-to-peak power stability < 10.7 % over 40 min , and a frequency stability < 75 MHz over 15 min . The signal and idler output have TEM 00 beam profile with M 2 < 1.52 across the tuning range.

© 2009 Optical Society of America

OCIS Codes
(140.3510) Lasers and laser optics : Lasers, fiber
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4360) Nonlinear optics : Nonlinear optics, devices
(190.4400) Nonlinear optics : Nonlinear optics, materials
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers

ToC Category:
Nonlinear Optics

Original Manuscript: April 3, 2009
Revised Manuscript: June 6, 2009
Manuscript Accepted: June 10, 2009
Published: July 17, 2009

G. K. Samanta, S. Chaitanya Kumar, Ritwick Das, and M. Ebrahim-Zadeh, "Continuous-wave optical parametric oscillator pumped by a fiber laser green source at 532 nm," Opt. Lett. 34, 2255-2257 (2009)

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