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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 14 — Jul. 2, 2012
  • pp: 15008–15014

Large aperture PPMgLN based high-power optical parametric oscillator at 3.8 µm pumped by a nanosecond linearly polarized fiber MOPA

Dejiao Lin, Shaif-ul Alam, Yonghang Shen, Tao Chen, Bo Wu, and David J. Richardson  »View Author Affiliations

Optics Express, Vol. 20, Issue 14, pp. 15008-15014 (2012)

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We report a large aperture PPMgLN based OPO generating 21W of average output power at a slope efficiency of 45%. The OPO is pumped with the output from a polarization maintaining Ytterbium doped fiber MOPA operating at 1060nm producing 20ns pulses at a repetition rate of 100kHz and an average output power of 58W (after the isolators). A maximum of 5.5W of optical power was recorded at the idler wavelength of 3.82µm without thermal roll-off. The pulse rise/fall time plays a significant role in the OPO conversion efficiency and that further enhancements in the efficiency should be possible using pulses with faster rise and fall times.

© 2012 OSA

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(320.5540) Ultrafast optics : Pulse shaping

ToC Category:
Nonlinear Optics

Original Manuscript: March 30, 2012
Revised Manuscript: May 9, 2012
Manuscript Accepted: June 6, 2012
Published: June 20, 2012

Dejiao Lin, Shaif-ul Alam, Yonghang Shen, Tao Chen, Bo Wu, and David J. Richardson, "Large aperture PPMgLN based high-power optical parametric oscillator at 3.8 µm pumped by a nanosecond linearly polarized fiber MOPA," Opt. Express 20, 15008-15014 (2012)

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