| Theory of light amplification in active fishnet metamaterials. | |
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MedLine Citation:
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PMID: 22107428 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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We establish a theory that traces light amplification in an active double-fishnet metamaterial back to its microscopic origins. Based on ab initio calculations of the light and plasmon fields we extract energy rates and conversion efficiencies associated with gain and loss channels directly from Poynting's theorem. We find that for the negative refractive index mode both radiative loss and gain outweigh resistive loss by more than a factor of 2, opening a broad window of steady-state amplification (free of instabilities) accessible even when a gain reduction close to the metal is taken into account. |
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Authors:
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Joachim M Hamm; Sebastian Wuestner; Kosmas L Tsakmakidis; Ortwin Hess |
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Publication Detail:
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Type: Journal Article Date: 2011-10-13 |
Journal Detail:
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Title: Physical review letters Volume: 107 ISSN: 1079-7114 ISO Abbreviation: Phys. Rev. Lett. Publication Date: 2011 Oct |
Date Detail:
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Created Date: 2011-11-23 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0401141 Medline TA: Phys Rev Lett Country: United States |
Other Details:
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Languages: eng Pagination: 167405 Citation Subset: IM |
Affiliation:
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Department of Physics, Imperial College London, South Kensington Campus, London SW7 2AZ, United Kingdom. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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