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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 13 — Jun. 20, 2011
  • pp: 12688–12699

Overcoming the losses of a split ring resonator array with gain

Anan Fang, Zhixiang Huang, Thomas Koschny, and Costas M. Soukoulis  »View Author Affiliations


Optics Express, Vol. 19, Issue 13, pp. 12688-12699 (2011)
http://dx.doi.org/10.1364/OE.19.012688


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Abstract

We present a computational approach, allowing for a self-consistent treatment of a split ring resonator (SRR) array with a gain layer underneath. We apply three different pumping schemes on the gain layer: (1) homogeneously pumped isotropic gain, (2) homogeneously pumped isotropic gain with a shadow cast by the SRR and (3) anisotropic gain pumped in a selected direction only. We show numerically the magnetic losses of the SRR can be compensated by the gain. The difference on loss compensations among the three pumping schemes is analyzed by the electric field distribution. Studies also show the dielectric background of gain does not affect the loss compensation much for the gain only pumped in the direction parallel to the SRR plane.

© 2011 OSA

OCIS Codes
(160.4760) Materials : Optical properties
(260.5740) Physical optics : Resonance
(160.3918) Materials : Metamaterials

ToC Category:
Metamaterials

History
Original Manuscript: January 4, 2011
Revised Manuscript: May 24, 2011
Manuscript Accepted: June 2, 2011
Published: June 16, 2011

Citation
Anan Fang, Zhixiang Huang, Thomas Koschny, and Costas M. Soukoulis, "Overcoming the losses of a split ring resonator array with gain," Opt. Express 19, 12688-12699 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-13-12688


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