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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 37, Iss. 19 — Oct. 1, 2012
  • pp: 3933–3935

Control of nonlinear spectral phase induced by ultra-broadband optical parametric amplification

Stefan Demmler, Jan Rothhardt, Steffen Hädrich, Jake Bromage, Jens Limpert, and Andreas Tünnermann  »View Author Affiliations


Optics Letters, Vol. 37, Issue 19, pp. 3933-3935 (2012)
http://dx.doi.org/10.1364/OL.37.003933


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Abstract

Optical parametric amplifiers (OPAs) impose an optical parametric phase (OPP) onto the amplified signal. It manifests itself as a spectral phase in the case of broadband signals and, therefore, hampers pulse compression. Here we present, for the first time, a complete experimental characterization of this OPP for different ultra-broadband noncollinear OPA configurations. This measurement allows us to compensate the OPP and to achieve Fourier-limited pulses as short as 1.9 optical cycles. A numerical model is in excellent agreement with our measurements and reveals the importance of high order phase compensation in the case of noncollinear phase matching. In contrast, operation at degeneracy enables almost complete compensation of the OPP by second-order dispersion only.

© 2012 Optical Society of America

OCIS Codes
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(320.5540) Ultrafast optics : Pulse shaping
(320.7110) Ultrafast optics : Ultrafast nonlinear optics

ToC Category:
Nonlinear Optics

History
Original Manuscript: June 22, 2012
Revised Manuscript: August 3, 2012
Manuscript Accepted: August 13, 2012
Published: September 17, 2012

Citation
Stefan Demmler, Jan Rothhardt, Steffen Hädrich, Jake Bromage, Jens Limpert, and Andreas Tünnermann, "Control of nonlinear spectral phase induced by ultra-broadband optical parametric amplification," Opt. Lett. 37, 3933-3935 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-19-3933


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