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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 15 — Jul. 19, 2010
  • pp: 15635–15642

Magneto-optical effects in interacting localized and propagating surface plasmon modes

Jorge F. Torrado, Juan B. González-Díaz, María U. González, Antonio García-Martín, and Gaspar Armelles  »View Author Affiliations

Optics Express, Vol. 18, Issue 15, pp. 15635-15642 (2010)

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We report that the effect of an external magnetic field on the propagation of surface plasmons can be effectively modified through the coupling between localized (LSP) and propagating (SPP) surface plasmons. When these plasmon modes do not interact, the main effect of the magnetic field is a modification of the wavevector of the SPP mode, leaving the LSP virtually unaffected. Once both modes start to interact, there is a strong variation of the magnetic field induced modification of the SPP dispersion curve and, simultaneously, the LSP mode becomes sensitive to the magnetic field.

© 2010 OSA

OCIS Codes
(210.3810) Optical data storage : Magneto-optic systems
(210.3820) Optical data storage : Magneto-optical materials
(240.6680) Optics at surfaces : Surface plasmons
(350.4238) Other areas of optics : Nanophotonics and photonic crystals
(250.5403) Optoelectronics : Plasmonics

ToC Category:
Optics at Surfaces

Original Manuscript: May 21, 2010
Revised Manuscript: June 16, 2010
Manuscript Accepted: June 17, 2010
Published: July 8, 2010

Jorge F. Torrado, Juan B. González-Díaz, María U. González, Antonio García-Martín, and Gaspar Armelles, "Magneto-optical effects in interacting localized and propagating surface plasmon modes," Opt. Express 18, 15635-15642 (2010)

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