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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 6 — Mar. 14, 2011
  • pp: 5283–5289

Tunable bandwidth of band-stop filter by metamaterial cell coupling in optical frequency

Xiong Li, Lanying Yang, Chenggang Hu, Xiangang Luo, and Minghui Hong  »View Author Affiliations

Optics Express, Vol. 19, Issue 6, pp. 5283-5289 (2011)

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In this paper we present a simulation study of nanostructures with unit cells of periodic coupled cut-wire pairs for band-stop properties in the optical frequency range. A band-stop filter with a broader stop band for space transmission is realized by making use of plasmon hybridization. The bandwidth of the filter is tunable over a large range from 56.6 to 182.2 THz by magnetic and electric couplings between adjacent unit cells. An equivalent RLC resonant circuit is proposed to analyze the origin of the coupling effects. The bandwidth tunability by the coupling effect provides good guidance for a metamaterial design that works in broadband frequencies.

© 2011 OSA

OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(260.5740) Physical optics : Resonance
(160.3918) Materials : Metamaterials
(230.7408) Optical devices : Wavelength filtering devices

ToC Category:

Original Manuscript: January 26, 2011
Revised Manuscript: February 19, 2011
Manuscript Accepted: February 19, 2011
Published: March 7, 2011

Xiong Li, Lanying Yang, Chenggang Hu, Xiangang Luo, and Minghui Hong, "Tunable bandwidth of band-stop filter by metamaterial cell coupling in optical frequency," Opt. Express 19, 5283-5289 (2011)

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