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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 16 — Aug. 15, 2010
  • pp: 2795–2797

Arbitrary-order nonlinear contribution to self-steepening

Jérôme Kasparian, Pierre Béjot, and Jean-Pierre Wolf  »View Author Affiliations


Optics Letters, Vol. 35, Issue 16, pp. 2795-2797 (2010)
http://dx.doi.org/10.1364/OL.35.002795


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Abstract

On the basis of the recently published generalized Miller formulas, we derive the spectral dependence of the contribution of arbitrary-order nonlinear indices to the group-velocity index. We show that in the context of laser filamentation in gases, all experimentally accessible orders (up to the ninth-order nonlinear susceptibility χ ( 9 ) in air and χ ( 11 ) in argon) have contributions of alternative signs and similar magnitudes. Moreover, we show both analytically and numerically that the dispersion term of the nonlinear indices must be considered when computing the intensity-dependent group velocity.

© 2010 Optical Society of America

OCIS Codes
(120.4530) Instrumentation, measurement, and metrology : Optical constants
(190.3270) Nonlinear optics : Kerr effect
(190.7110) Nonlinear optics : Ultrafast nonlinear optics

ToC Category:
Nonlinear Optics

History
Original Manuscript: June 1, 2010
Revised Manuscript: July 8, 2010
Manuscript Accepted: July 15, 2010
Published: August 13, 2010

Citation
Jérôme Kasparian, Pierre Béjot, and Jean-Pierre Wolf, "Arbitrary-order nonlinear contribution to self-steepening," Opt. Lett. 35, 2795-2797 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-16-2795

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