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Overcoming losses with gain in a negative refractive index metamaterial.

Wuestner, S, Pusch, A, Tsakmakidis, KL, Hamm, JM and Hess, O (2010) Overcoming losses with gain in a negative refractive index metamaterial. Phys Rev Lett, 105 (12), 127401. pp. 1-4.

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Abstract

On the basis of a full-vectorial three-dimensional Maxwell-Bloch approach we investigate the possibility of using gain to overcome losses in a negative refractive index fishnet metamaterial. We show that appropriate placing of optically pumped laser dyes (gain) into the metamaterial structure results in a frequency band where the nonbianisotropic metamaterial becomes amplifying. In that region both the real and the imaginary part of the effective refractive index become simultaneously negative and the figure of merit diverges at two distinct frequency points.

Item Type: Article
Authors :
NameEmailORCID
Wuestner, SUNSPECIFIEDUNSPECIFIED
Pusch, AUNSPECIFIEDUNSPECIFIED
Tsakmakidis, KLk.tsakmakidis@surrey.ac.ukUNSPECIFIED
Hamm, JMUNSPECIFIEDUNSPECIFIED
Hess, Oo.hess@surrey.ac.ukUNSPECIFIED
Date : 17 September 2010
Identification Number : https://doi.org/10.1103/PhysRevLett.105.127401
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 11:15
Last Modified : 17 May 2017 11:15
URI: http://epubs.surrey.ac.uk/id/eprint/830628

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