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Cooperative amplification of energy transfer in plasmonic systems
We study cooperative effects in energy transfer (ET) from an ensemble of donors to an acceptor near a plasmonic nanostructure. We demonstrate that, in the cooperative regime, ET takes place from plasmonic super-radiant and subradiant states rather than from individual donors leading to a significant...
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Published in: | Physical review. B, Condensed matter and materials physics Condensed matter and materials physics, 2013-12, Vol.88 (24), Article 245427 |
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container_title | Physical review. B, Condensed matter and materials physics |
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creator | Pustovit, Vitaliy N. Urbas, Augustine M. Shahbazyan, Tigran V. |
description | We study cooperative effects in energy transfer (ET) from an ensemble of donors to an acceptor near a plasmonic nanostructure. We demonstrate that, in the cooperative regime, ET takes place from plasmonic super-radiant and subradiant states rather than from individual donors leading to a significant increase in ET efficiency. The cooperative amplification of the ET relies on the large coupling of superradiant states to external fields and on the slow decay rate of subradiant states. We show that superradiant and subradiant ET mechanisms are efficient in different energy domains and, therefore, can be utilized independently. We present numerical results demonstrating the amplification effect for a layer of donors and an acceptor on a spherical plasmonic nanoparticle. |
doi_str_mv | 10.1103/PhysRevB.88.245427 |
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B, Condensed matter and materials physics</title><description>We study cooperative effects in energy transfer (ET) from an ensemble of donors to an acceptor near a plasmonic nanostructure. We demonstrate that, in the cooperative regime, ET takes place from plasmonic super-radiant and subradiant states rather than from individual donors leading to a significant increase in ET efficiency. The cooperative amplification of the ET relies on the large coupling of superradiant states to external fields and on the slow decay rate of subradiant states. We show that superradiant and subradiant ET mechanisms are efficient in different energy domains and, therefore, can be utilized independently. 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The cooperative amplification of the ET relies on the large coupling of superradiant states to external fields and on the slow decay rate of subradiant states. We show that superradiant and subradiant ET mechanisms are efficient in different energy domains and, therefore, can be utilized independently. We present numerical results demonstrating the amplification effect for a layer of donors and an acceptor on a spherical plasmonic nanoparticle.</abstract><doi>10.1103/PhysRevB.88.245427</doi><oa>free_for_read</oa></addata></record> |
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subjects | Amplification Condensed matter Decay rate Energy transfer Energy use Joining Nanostructure Plasmonics |
title | Cooperative amplification of energy transfer in plasmonic systems |
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