Nonlinear vortex modes in dual-core photonic crystal fiber couplers
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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