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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry Van Driel
  • Vol. 26, Iss. 5 — May. 1, 2009
  • pp: 965–972

Pulse-front matching of ultrabroadband near-infrared noncollinear optical parametric amplified pulses

Oleksandr Isaienko and Eric Borguet  »View Author Affiliations


JOSA B, Vol. 26, Issue 5, pp. 965-972 (2009)
http://dx.doi.org/10.1364/JOSAB.26.000965


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Abstract

Noncollinear optical parametric amplifiers (NOPAs) pumped with ultrashort subpicosecond pulses often suffer from pulse-front tilting, resulting in angular dispersion and noncompressibility of the amplified signal pulses. We show that pulse-front matching (PFM) with a prism-telescope setup corrects for pulse-front tilts in a near-IR NOPA. We discuss the conditions that lead to pulse-front tilt and angular dispersion in NOPA-amplified signal pulses, thus requiring pulse-front mismatch correction. We review the method of PFM and describe the application of PFM to an 800 nm pumped near-IR NOPA based on a 2-mm-thick bulk potassium-titanyl phosphate (KTP) crystal. The introduction of pulse-front matching into the KTP-NOPA reduces the signal pulse angular dispersion significantly over the > 35   THz bandwidth, thus nearly removing the pulse-front tilt. Compression of 1200 nm pulses to 25   fs can be readily achieved with a fused-silica prism pair compressor.

© 2009 Optical Society of America

OCIS Codes
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(320.7110) Ultrafast optics : Ultrafast nonlinear optics

ToC Category:
Nonlinear Optics

History
Original Manuscript: December 2, 2008
Revised Manuscript: February 11, 2009
Manuscript Accepted: February 16, 2009
Published: April 10, 2009

Citation
Oleksandr Isaienko and Eric Borguet, "Pulse-front matching of ultrabroadband near-infrared noncollinear optical parametric amplified pulses," J. Opt. Soc. Am. B 26, 965-972 (2009)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-26-5-965

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