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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. 27, Iss. 7 — Jul. 1, 2010
  • pp: 1430–1434

Optical characteristics of surface plasmon nanonotch structure

Jin Tao, XuGuang Huang, and SongHao Liu  »View Author Affiliations


JOSA B, Vol. 27, Issue 7, pp. 1430-1434 (2010)
http://dx.doi.org/10.1364/JOSAB.27.001430


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Abstract

A nanometeric plasmonic nanonotch structure with a dielectric core is proposed and demonstrated numerically by using the finite difference time-domain (FDTD) method. An analytic model based on resonance theory is given. The result reveals that the nanonotch structure can realize a narrow-band wavelength-filtering function. The wavelengths of dips are proportional to the length of the nanonotch and are inverse proportional-like to its width. The effect of the rounded corners at the crossing section on the transmission characteristics is also explored. The plasmonic nanonotch structure has an ultracompact size in the length of a few hundred nanometers. Our results may open a way to construct nanoscale high-density photonic integration circuits and biochemical sensors.

© 2010 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(240.6680) Optics at surfaces : Surface plasmons
(230.7408) Optical devices : Wavelength filtering devices

ToC Category:
Optical Devices

History
Original Manuscript: December 2, 2009
Revised Manuscript: May 18, 2010
Manuscript Accepted: May 22, 2010
Published: June 18, 2010

Virtual Issues
Vol. 5, Iss. 11 Virtual Journal for Biomedical Optics

Citation
Jin Tao, XuGuang Huang, and SongHao Liu, "Optical characteristics of surface plasmon nanonotch structure," J. Opt. Soc. Am. B 27, 1430-1434 (2010)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-27-7-1430

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