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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 23 — Nov. 12, 2007
  • pp: 15280–15286

Design of a maximally flat optical low pass filter using plasmonic nanostrip waveguides

Amir Hosseini, Hamid Nejati, and Yehia Massoud  »View Author Affiliations

Optics Express, Vol. 15, Issue 23, pp. 15280-15286 (2007)

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In this paper, we present a new optical range low pass filter based on plasmonic nanostrip waveguides. We calculate the characteristic impedance of plasmonic nanostrip waveguides and compare it with that of microstrip transmission lines. An optical range maximally flat low pass filter with subwavelength dimensions is designed based on the nanostrip waveguide structure. Finite-difference time-domain (FDTD) simulations of the designed optical range filter are presented, which demonstrate subwave-length light confinement as well as acceptable filter cutoff performance.

© 2007 Optical Society of America

OCIS Codes
(230.7390) Optical devices : Waveguides, planar
(240.6680) Optics at surfaces : Surface plasmons

ToC Category:
Optics at Surfaces

Original Manuscript: July 12, 2007
Revised Manuscript: October 26, 2007
Manuscript Accepted: November 1, 2007
Published: November 2, 2007

Amir Hosseini, Hamid Nejati, and Yehia Massoud, "Design of a maximally flat optical low pass filter using plasmonic nanostrip waveguides," Opt. Express 15, 15280-15286 (2007)

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