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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. 8 — Aug. 1, 2010
  • pp: 1523–1529

Tunability of reflection and transmission spectra of two periodically corrugated metallic plates, obtained by control of the interactions between plasmonic and photonic modes

Avner Yanai and Uriel Levy  »View Author Affiliations


JOSA B, Vol. 27, Issue 8, pp. 1523-1529 (2010)
http://dx.doi.org/10.1364/JOSAB.27.001523


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Abstract

We theoretically study the interactions between plasmonic and photonic modes within a structure that is composed of two thin corrugated metallic plates, embedded in air. We show that the interactions depend on the symmetry of the interacting modes. This observation is explained by the phase difference between the Fourier components of the two gratings. The phase can be controlled by laterally shifting one grating with respect to the other. Therefore, this relative shift provides an efficient “knob” that allows one to control the interaction between the various modes, resulting in an efficient modulation of light transmission and reflection in the proposed structure. Based on this concept we show that the investigated structure can be used as a tunable plasmonic filter.

© 2010 Optical Society of America

OCIS Codes
(050.0050) Diffraction and gratings : Diffraction and gratings
(240.0240) Optics at surfaces : Optics at surfaces
(240.6680) Optics at surfaces : Surface plasmons
(310.2790) Thin films : Guided waves

ToC Category:
Optics at Surfaces

History
Original Manuscript: April 21, 2010
Manuscript Accepted: June 8, 2010
Published: July 9, 2010

Citation
Avner Yanai and Uriel Levy, "Tunability of reflection and transmission spectra of two periodically corrugated metallic plates, obtained by control of the interactions between plasmonic and photonic modes," J. Opt. Soc. Am. B 27, 1523-1529 (2010)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-27-8-1523

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