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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 7 — Apr. 1, 2014
  • pp: 1885–1888

Far-detuned mid-infrared frequency conversion via normal dispersion modulation instability in chalcogenide microwires

Thomas Godin, Yves Combes, Raja Ahmad, Martin Rochette, Thibaut Sylvestre, and John M. Dudley  »View Author Affiliations


Optics Letters, Vol. 39, Issue 7, pp. 1885-1888 (2014)
http://dx.doi.org/10.1364/OL.39.001885


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Abstract

We report the observation of modulation instability (MI) in the mid-infrared (mid-IR) spectral region by pumping a hybrid polymer-chalcogenide optical microwire with a femtosecond optical parametric oscillator operating at 2.6 μm. It is further shown that this MI occurs in the normal dispersion regime through negative fourth-order dispersion and leads to far-detuned parametric frequency conversion at 2 and 3.5 μm, despite the presence of a strong absorption band around 2.8 μm. Stochastic nonlinear Schrödinger equation simulations of mid-IR MI are in excellent agreement with experiments.

© 2014 Optical Society of America

OCIS Codes
(190.4370) Nonlinear optics : Nonlinear optics, fibers
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(320.7140) Ultrafast optics : Ultrafast processes in fibers

ToC Category:
Nonlinear Optics

History
Original Manuscript: December 20, 2013
Revised Manuscript: February 21, 2014
Manuscript Accepted: February 22, 2014
Published: March 21, 2014

Citation
Thomas Godin, Yves Combes, Raja Ahmad, Martin Rochette, Thibaut Sylvestre, and John M. Dudley, "Far-detuned mid-infrared frequency conversion via normal dispersion modulation instability in chalcogenide microwires," Opt. Lett. 39, 1885-1888 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-7-1885

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