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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 16 — Aug. 2, 2010
  • pp: 16946–16954

Broadband extraordinary transmission in a single sub-wavelength aperture

Wenxuan Tang, Yang Hao, and Francisco Medina  »View Author Affiliations


Optics Express, Vol. 18, Issue 16, pp. 16946-16954 (2010)
http://dx.doi.org/10.1364/OE.18.016946


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Abstract

Coordinate transformation is applied to design an all-dielectric device for Extraordinary Transmission (ET) in a single sub-wavelength slit. The proposed device has a broadband feature and can be applied from microwave to visible frequency bands. Finite-Difference Time-Domain (FDTD) simulations are used to verify the device’s performance. The results show that significantly increased transmission is achieved through the sub-wavelength aperture from 4 GHz to 8 GHz when the device is applied. In contrast with previously reported systems, the frequency sensitivity of the new device is very low.

© 2010 Optical Society of America

OCIS Codes
(260.2110) Physical optics : Electromagnetic optics
(350.4010) Other areas of optics : Microwaves
(050.6624) Diffraction and gratings : Subwavelength structures

ToC Category:
Diffraction and Gratings

History
Original Manuscript: May 13, 2010
Revised Manuscript: July 5, 2010
Manuscript Accepted: July 13, 2010
Published: July 26, 2010

Citation
Wenxuan Tang, Yang Hao, and Francisco Medina, "Broadband extraordinary transmission in a single sub-wavelength aperture," Opt. Express 18, 16946-16954 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-16-16946


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