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Complete light annihilation in an ultrathin layer of gold nanoparticles
Örebro University, School of Science and Technology.ORCID iD: 0000-0002-2110-3071
2013 (English)In: Nano letters (Print), ISSN 1530-6984, E-ISSN 1530-6992, Vol. 13, no 7, p. 3053-3058Article in journal (Refereed) Published
Abstract [en]

We experimentally demonstrate that an incident light beam can be completely annihilated in a single layer of randomly distributed, widely spaced gold nanoparticle antennas. Under certain conditions, each antenna dissipates more than 10 times the number of photons that enter its geometric cross-sectional area. The underlying physics can be understood in terms of a critical coupling to localized plasmons in the nanoparticles or, equivalently, in terms of destructive optical Fano interference and so-called coherent absorption.

Place, publisher, year, edition, pages
2013. Vol. 13, no 7, p. 3053-3058
Keywords [en]
Perfect absorption, localized surface plasmon, metamaterials, optical heating, optical near fields, optical absorption
National Category
Physical Sciences
Research subject
Physics
Identifiers
URN: urn:nbn:se:oru:diva-30238DOI: 10.1021/nl400849fISI: 000321884300009OAI: oai:DiVA.org:oru-30238DiVA, id: diva2:641246
Available from: 2013-08-16 Created: 2013-08-16 Last updated: 2017-12-06Bibliographically approved

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Johansson, Peter

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