Gain mechanism in time-dependent media

Conventionally, time-dependent systems add energy to electromagnetic waves by parametric amplification. Here we identify a distinct, alternative mechanism—compression of lines of force.

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Bibliographic Details
Published in:Optica 2021-05, Vol.8 (5), p.636
Main Authors: Pendry, J. B., Galiffi, E., Huidobro, P. A.
Format: Article
Language:English
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Description
Summary:Conventionally, time-dependent systems add energy to electromagnetic waves by parametric amplification. Here we identify a distinct, alternative mechanism—compression of lines of force.
ISSN:2334-2536
2334-2536
DOI:10.1364/OPTICA.425582