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Evanescent Gain in "Trapped Rainbow" Negative Refractive Index Heterostructures

Kirby, EI, Hamm, JM, Pickering, T, Tsakmakidis, KL and Hess, O (2010) Evanescent Gain in "Trapped Rainbow" Negative Refractive Index Heterostructures

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Abstract

We theoretically and numerically analyze a five-layer "trapped rainbow" waveguide made of a passive negative refractive index (NRI) core layer and gain strips in the cladding. Analytic transfer-matrix calculations and full-wave time-domain simulations are deployed to calculate, both in the frequency- and in the time-domain, the losses or gain experienced by complex-wavevector and complex-frequency modes. We find an excellent agreement between five distinct sets of results, all showing that the use of evanescent pumping (gain) can compensate the losses in the NRI slow-light regime.

Item Type: Article
Authors :
NameEmailORCID
Kirby, EIUNSPECIFIEDUNSPECIFIED
Hamm, JMUNSPECIFIEDUNSPECIFIED
Pickering, TUNSPECIFIEDUNSPECIFIED
Tsakmakidis, KLk.tsakmakidis@surrey.ac.ukUNSPECIFIED
Hess, OUNSPECIFIEDUNSPECIFIED
Date : 26 October 2010
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 11:55
Last Modified : 17 May 2017 11:55
URI: http://epubs.surrey.ac.uk/id/eprint/833275

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