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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 7, Iss. 10 — Oct. 1, 2009
  • pp: 904–908

Cutoff characteristics of dielectric-filled circular holes embedded in dispersive plasmonic medium

Ki Young Kim  »View Author Affiliations


Chinese Optics Letters, Vol. 7, Issue 10, pp. 904-908 (2009)


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Abstract

The cutoff characteristics of dielectric-filled circular holes embedded in a dispersive plasmonic medium are investigated. Since two distinctive operating modes, surface plasmon polariton and circular waveguide modes, can exist in the slow and fast wave regions, respectively, the cutoff characteristics for each are separately investigated for linear and radial polarizations of the guided fields. As a result, the cutoff wavelengths for the linear and radial polarizations with very small subwavelength hole radii are found to be limited by the plasma resonance wavelength and plasma wavelength, which in turn are dependent and independent, respectively, of the dielectric constant of the dielectric filler material.

© 2009 Chinese Optics Letters

OCIS Codes
(130.2790) Integrated optics : Guided waves
(230.7370) Optical devices : Waveguides
(240.6680) Optics at surfaces : Surface plasmons
(250.5403) Optoelectronics : Plasmonics

Citation
Ki Young Kim, "Cutoff characteristics of dielectric-filled circular holes embedded in dispersive plasmonic medium," Chin. Opt. Lett. 7, 904-908 (2009)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-7-10-904

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