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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 35, Iss. 24 — Dec. 15, 2010
  • pp: 4184–4186

Guided subwavelength slow-light mode supported by a plasmonic waveguide system

Liu Yang, Changjun Min, and Georgios Veronis  »View Author Affiliations

Optics Letters, Vol. 35, Issue 24, pp. 4184-4186 (2010)

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We introduce a plasmonic waveguide system, which supports a subwavelength broadband slow-light guided mode with a tunable slowdown factor at a given wavelength. The system consists of a metal–dielectric–metal (MDM) waveguide side-coupled to a periodic array of MDM stub resonators. The slowdown factor at a given wavelength can be tuned by adjusting the geometrical parameters of the system. In addition, there is a trade-off between the slowdown factor and the propagation length of the supported optical mode. Finally, we show that light can be coupled efficiently from a conventional MDM waveguide to the plasmonic waveguide system.

© 2010 Optical Society of America

OCIS Codes
(130.2790) Integrated optics : Guided waves
(230.7370) Optical devices : Waveguides
(240.6680) Optics at surfaces : Surface plasmons

ToC Category:
Optics at Surfaces

Original Manuscript: August 23, 2010
Manuscript Accepted: November 13, 2010
Published: December 14, 2010

Liu Yang, Changjun Min, and Georgios Veronis, "Guided subwavelength slow-light mode supported by a plasmonic waveguide system," Opt. Lett. 35, 4184-4186 (2010)

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