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Optics Letters

Optics Letters


  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 9 — May. 1, 2014
  • pp: 2739–2742

Fiber-laser-pumped, dual-wavelength, picosecond optical parametric oscillator

V. Ramaiah-Badarla, S. Chaitanya Kumar, and M. Ebrahim-Zadeh  »View Author Affiliations

Optics Letters, Vol. 39, Issue 9, pp. 2739-2742 (2014)

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We report a simple, compact, picosecond, dual-wavelength optical parametric oscillator (DW-OPO) at 160 MHz, based on two MgO:PPLN crystals sharing the same cavity and synchronously pumped by an Yb–fiber laser at 1064 nm. The two signal and idler wavelength pairs are independently tunable in the near- and mid-infrared across 1550–1615 nm and 3118–3393 nm, respectively, and can be arbitrarily tuned, even to degeneracy and beyond, without coherent coupling, irrespective of operating wavelength. The DW-OPO provides two signal and idler pulse trains and delivers as much as 1.5 W of average signal power at a degenerate wavelength of 1550 nm from each arm, at a total (signal plus idler) power extraction efficiency of as much as 44%. The two output signal pulse trains have durations of 18ps and 15.2ps, with Gaussian spatial quality, and exhibit passive power stability, better than 3.6% rms over >5 h. We also demonstrate the possibility of tailoring the pulse trains from the DW-OPO by controlling the delay between the pump pulses at the input to the two MgO:PPLN crystals.

© 2014 Optical Society of America

OCIS Codes
(140.4780) Lasers and laser optics : Optical resonators
(190.4400) Nonlinear optics : Nonlinear optics, materials
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(190.7110) Nonlinear optics : Ultrafast nonlinear optics

ToC Category:
Nonlinear Optics

Original Manuscript: January 27, 2014
Revised Manuscript: March 28, 2014
Manuscript Accepted: April 2, 2014
Published: April 28, 2014

V. Ramaiah-Badarla, S. Chaitanya Kumar, and M. Ebrahim-Zadeh, "Fiber-laser-pumped, dual-wavelength, picosecond optical parametric oscillator," Opt. Lett. 39, 2739-2742 (2014)

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