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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Grover Swartzlander
  • Vol. 30, Iss. 12 — Dec. 1, 2013
  • pp: 3161–3167

Snake-like light beam propagation in multimode periodic segmented waveguide

Pierre Aschiéri and Valérie Doya  »View Author Affiliations


JOSA B, Vol. 30, Issue 12, pp. 3161-3167 (2013)
http://dx.doi.org/10.1364/JOSAB.30.003161


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Abstract

In this article it is shown that for specific initial conditions an input beam injected in a multimode periodic segmented waveguide does not diffract and remains collimated all along the waveguide, whereas a speckle-like pattern is expected at the output of a multimode structure. This nonintuitive behavior can be explained with the help of ray and wave chaos properties. A modal analysis developed in this article reveals that this nondiffractive beam regime is due to a specific superposition of modes with regularly spaced propagation constants. A discrepancy with the commonly used equivalent continuous waveguide model is also identified.

© 2013 Optical Society of America

OCIS Codes
(130.2790) Integrated optics : Guided waves
(190.3100) Nonlinear optics : Instabilities and chaos
(230.7370) Optical devices : Waveguides

ToC Category:
Optical Devices

History
Original Manuscript: July 17, 2013
Manuscript Accepted: October 8, 2013
Published: November 8, 2013

Citation
Pierre Aschiéri and Valérie Doya, "Snake-like light beam propagation in multimode periodic segmented waveguide," J. Opt. Soc. Am. B 30, 3161-3167 (2013)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-30-12-3161

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