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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 35, Iss. 22 — Nov. 15, 2010
  • pp: 3832–3834

High-repetition-rate near-infrared noncollinear ultrabroadband optical parametric amplification in K T i O P O 4

Oleksandr Isaienko, Eric Borguet, and Peter Vöhringer  »View Author Affiliations

Optics Letters, Vol. 35, Issue 22, pp. 3832-3834 (2010)

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We report efficient noncollinear optical parametric amplification (NOPA) of ultrabroadband near-IR pulses tunable in the 1.1 1.5 μm range at a repetition rate of 250 kHz . Improved generation of smooth near-IR continua (extending over 1.0 1.6 μm ) at 250 kHz was achieved by weakly focusing 20 % of the 1 W driving laser beam into a sapphire plate with longer focal length lenses than previously reported. Using bulk potassium-titanyl phosphate ( KTiOPO 4 ) pumped at 800 nm , powers as high as 11 mW (14% pump conversion efficiency) and signal pulse durations as short as 23 fs were obtained after a single white-light seeded NOPA stage.

© 2010 Optical Society of America

OCIS Codes
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(320.7110) Ultrafast optics : Ultrafast nonlinear optics

ToC Category:
Nonlinear Optics

Original Manuscript: July 1, 2010
Revised Manuscript: October 7, 2010
Manuscript Accepted: October 14, 2010
Published: November 11, 2010

Oleksandr Isaienko, Eric Borguet, and Peter Vöhringer, "High-repetition-rate near-infrared noncollinear ultrabroadband optical parametric amplification in KTiOPO4," Opt. Lett. 35, 3832-3834 (2010)

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