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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry M. Van Driel
  • Vol. 24, Iss. 12 — Dec. 1, 2007
  • pp: 3058–3063

Modulation instability induced by nonlinear dispersion in nonlinear metamaterials

Yuanjiang Xiang, Shuangchun Wen, Xiaoyu Dai, Zhixiang Tang, Wenhua Su, and Dianyuan Fan  »View Author Affiliations


JOSA B, Vol. 24, Issue 12, pp. 3058-3063 (2007)
http://dx.doi.org/10.1364/JOSAB.24.003058


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Abstract

We show that modulation instability may occur even in the normal group-velocity dispersion regime, or in the case of no group-velocity dispersion in metamaterials with a nonlinear electric polarization. The physical origin of the modulation instability is the additional second-order nonlinear dispersion effect resulted from the combination of the linear dispersive magnetic permeability with the nonlinear electric polarization. Based on the Drude model, a numerical simulation is performed to confirm the theoretical predictions, and a detailed discussion on the role of the second-order nonlinear dispersion effect in modulation instability in both negative-index and positive-index regions of metamaterial is presented.

© 2008 Optical Society of America

OCIS Codes
(190.3100) Nonlinear optics : Instabilities and chaos
(190.5530) Nonlinear optics : Pulse propagation and temporal solitons

ToC Category:
Nonlinear Optics

History
Original Manuscript: May 29, 2007
Revised Manuscript: September 10, 2007
Manuscript Accepted: October 27, 2007
Published: November 30, 2007

Citation
Yuanjiang Xiang, Shuangchun Wen, Xiaoyu Dai, Zhixiang Tang, Wenhua Su, and Dianyuan Fan, "Modulation instability induced by nonlinear dispersion in nonlinear metamaterials," J. Opt. Soc. Am. B 24, 3058-3063 (2007)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-24-12-3058

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