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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 34, Iss. 14 — Jul. 15, 2009
  • pp: 2093–2095

Femtosecond optical parametric oscillator based on periodically poled stoichiometric Li Ta O 3 crystal

Kalyan V. Bhupathiraju, Andrew D. Seymour, and Feruz Ganikhanov  »View Author Affiliations

Optics Letters, Vol. 34, Issue 14, pp. 2093-2095 (2009)

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Efficient optical parametric oscillation is demonstrated in periodically poled stoichiometric lithium tantalate crystal pumped by a mode-locked Ti:sapphire laser. The optical parametric oscillator (OPO) delivers a maximum average power of more than 345 mW in signal and 180 mW in idler beams. The OPO is continuously tunable across the 940 1350 nm wavelength range in its signal branch, delivering nearly transform-limited 160 180 fs pulses. Despite the onset of high absorption loss in the crystal in the mid-IR, more than 40 mW of power is obtained for the idler beam tunable within the 4.3 4.6 μ m wavelength range. The high parametric gain in the crystal allows tunable OPO operation at a repetition rate as high as 760 MHz with 50 mW of output power.

© 2009 Optical Society of America

OCIS Codes
(320.7090) Ultrafast optics : Ultrafast lasers
(320.7110) Ultrafast optics : Ultrafast nonlinear optics

ToC Category:
Ultrafast Optics

Original Manuscript: May 6, 2009
Revised Manuscript: May 29, 2009
Manuscript Accepted: June 4, 2009
Published: July 7, 2009

Kalyan V. Bhupathiraju, Andrew D. Seymour, and Feruz Ganikhanov, "Femtosecond optical parametric oscillator based on periodically poled stoichiometric LiTaO3 crystal," Opt. Lett. 34, 2093-2095 (2009)

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