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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 4 — Feb. 15, 2010
  • pp: 3864–3870

Transmission of electromagnetic waves through sub-wavelength channels

Jingjing Zhang, Yu Luo, and Niels Asger Mortensen  »View Author Affiliations


Optics Express, Vol. 18, Issue 4, pp. 3864-3870 (2010)
http://dx.doi.org/10.1364/OE.18.003864


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Abstract

We propose a method of tunneling electromagnetic (EM) waves through a channel with sub-wavelength cross section. By filling the channel with high-ε isotropic material and implementing two matching layers with uniaxial metamterial substrates, the guided waves can go through the narrow channel without being cut off, as if it has just passed through the original empty waveguide. Both the magnitude and phase information of the EM fields can be effectively restored after passing this channel, regardless of the polarization of the incoming wave. The performance of this sub-wavelength channel, which is designed with coordinate transformation methodology, is studied theoretically and numerically.

© 2010 OSA

OCIS Codes
(260.2110) Physical optics : Electromagnetic optics
(350.4010) Other areas of optics : Microwaves
(160.3918) Materials : Metamaterials

ToC Category:
Physical Optics

History
Original Manuscript: December 1, 2009
Revised Manuscript: January 22, 2010
Manuscript Accepted: February 4, 2010
Published: February 11, 2010

Citation
Jingjing Zhang, Yu Luo, and Niels Asger Mortensen, "Transmission of electromagnetic waves through sub-wavelength channels," Opt. Express 18, 3864-3870 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-4-3864


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