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Local detection of electromagnetic energy transport below the diffraction limit in metal nanoparticle plasmon waveguides

Maier, Stefan A. and Kik, Pieter G. and Atwater, Harry A. and Meltzer, Sheffer and Harel, Elad and Koel, Bruce E. and Requicha, Ari A. G. (2003) Local detection of electromagnetic energy transport below the diffraction limit in metal nanoparticle plasmon waveguides. Nature Materials, 2 (4). pp. 229-232. ISSN 1476-1122. doi:10.1038/nmat852. https://resolver.caltech.edu/CaltechAUTHORS:20150413-102336700

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Abstract

Achieving control of light-material interactions for photonic device applications at nanoscale dimensions will require structures that guide electromagnetic energy with a lateral mode confinement below the diffraction limit of light. This cannot be achieved by using conventional waveguides or photonic crystals. It has been suggested that electromagnetic energy can be guided below the diffraction limit along chains of closely spaced metal nanoparticles that convert the optical mode into non-radiating surface plasmons. A variety of methods such as electron beam lithography and self-assembly have been used to construct metal nanoparticle plasmon waveguides. However, all investigations of the optical properties of these waveguides have so far been confined to collective excitations and direct experimental evidence for energy transport along plasmon waveguides has proved elusive. Here we present observations of electromagnetic energy transport from a localized subwavelength source to a localized detector over distances of about 0.5 μm in plasmon waveguides consisting of closely spaced silver rods. The waveguides are excited by the tip of a near-field scanning optical microscope, and energy transport is probed by using fluorescent nanospheres.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1038/nmat852DOIArticle
http://www.nature.com/nmat/journal/v2/n4/full/nmat852.htmlPublisherArticle
http://rdcu.be/cw8pPublisherFree ReadCube access
ORCID:
AuthorORCID
Maier, Stefan A.0000-0002-2210-6290
Atwater, Harry A.0000-0001-9435-0201
Additional Information:© 2003 Nature Publishing Group. Received 9 December 2002; accepted 29 January 2003; published 2 March 2003. The authors are grateful to Richard Muller, Paul Maker, and Pierre Echternach of the Jet Propulsion Laboratory in Pasadena for professional help with electron beam lithography. This work was sponsored by the Air Force Office of Scientific Research and also partly by the NSF grants ECS0103543, EIA-98- 71775 and DMI-02-09678 and the Center for Science and Engineering of Materials at Caltech.
Funders:
Funding AgencyGrant Number
Air Force Office of Scientific Research (AFOSR)UNSPECIFIED
NSFECS0103543
NSFEIA-98-71775
NSFDMI-02-09678
Caltech Center for Science and Engineering of MaterialsUNSPECIFIED
Issue or Number:4
DOI:10.1038/nmat852
Record Number:CaltechAUTHORS:20150413-102336700
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20150413-102336700
Official Citation:Maier, S. A., Kik, P. G., Atwater, H. A., Meltzer, S., Harel, E., Koel, B. E., & Requicha, A. A. G. (2003). Local detection of electromagnetic energy transport below the diffraction limit in metal nanoparticle plasmon waveguides. [10.1038/nmat852]. Nat Mater, 2(4), 229-232.
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:56596
Collection:CaltechAUTHORS
Deposited By: Jason Perez
Deposited On:14 Apr 2015 20:51
Last Modified:10 Nov 2021 21:01

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