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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. 29, Iss. 1 — Jan. 1, 2012
  • pp: 35–39

Directive emission based on one-dimensional metal heterostructures

Jie Luo, Ping Xu, and Lei Gao  »View Author Affiliations


JOSA B, Vol. 29, Issue 1, pp. 35-39 (2012)
http://dx.doi.org/10.1364/JOSAB.29.000035


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Abstract

We propose a method to realize directive emission using a layered metal heterostructure with around-zero average permittivity in the optical region. In the long-wavelength limit the heterostructure can be viewed as an epsilon-near-zero metamaterial. Our results show that when a transverse electric polarized source is placed in front of the heterostructure only the lights around the lines normal to the surfaces of the heterostructure can propagate through it. By exploiting constructive interference we can achieve good directivity and high transmission simultaneously. In addition, if the source is embedded in the heterostructure, the energy radiated by the source will be concentrated in a narrow cone.

© 2011 Optical Society of America

OCIS Codes
(230.4170) Optical devices : Multilayers
(160.3918) Materials : Metamaterials

ToC Category:
Materials

History
Original Manuscript: July 11, 2011
Revised Manuscript: August 21, 2011
Manuscript Accepted: October 14, 2011
Published: December 9, 2011

Citation
Jie Luo, Ping Xu, and Lei Gao, "Directive emission based on one-dimensional metal heterostructures," J. Opt. Soc. Am. B 29, 35-39 (2012)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-29-1-35

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