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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry Van Driel
  • Vol. 26, Iss. 12 — Dec. 1, 2009
  • pp: 2301–2307

Nonlinear vortex modes in dual-core photonic crystal fiber couplers

José Ramón Salgueiro and Francisco Santos  »View Author Affiliations


JOSA B, Vol. 26, Issue 12, pp. 2301-2307 (2009)
http://dx.doi.org/10.1364/JOSAB.26.002301


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Abstract

We study the different families of vortex-type modes that can exist in a photonic crystal fiber with two close defects forming a dual-core coupler and presenting the Kerr nonlinearity. Those complex modes bifurcate from the real double-dipole states leading to different states with different phase structures. When power is high enough, single- and double-vortex modes as well as combinations of vortex and fundamental modes arise. Also, families of discrete vortices formed by multipoles located inside the cores are found. We classify the different families, describe their nontrivial bifurcations, and study the stability of the states identifying different scenarios.

© 2009 Optical Society of America

OCIS Codes
(190.4370) Nonlinear optics : Nonlinear optics, fibers
(190.6135) Nonlinear optics : Spatial solitons

ToC Category:
Nonlinear Optics

History
Original Manuscript: May 29, 2009
Revised Manuscript: October 5, 2009
Manuscript Accepted: October 11, 2009
Published: November 16, 2009

Citation
José Ramón Salgueiro and Francisco Santos, "Nonlinear vortex modes in dual-core photonic crystal fiber couplers," J. Opt. Soc. Am. B 26, 2301-2307 (2009)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-26-12-2301


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