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Band structure and broadband compensation of absorption by amplification in layered optical metamaterials

Rozanov, N N; Fedorov, S V; Savel'ev, R S; Sukhorukov, Andrey; Kivshar, Yuri


The frequency dependence of the gain required to compensate for absorption is determined for a layered structure consisting of alternating absorbing and amplifying layers. It is shown that the fulfillment of the same conditions is required for the existence of a band structure consisting of alternating bands allowed and forbidden for optical radiation propagation in the frequency-wave vector parametric region. Conditions are found under which the gain required for compensation is smaller than...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
Source: Journal of Experimental and Theoretical Physics
DOI: 10.1134/S1063776112040140


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