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Highly Confined Photon Transport in Subwavelength Metallic Slot Waveguides

Dionne, J. A. and Lezec, H. J. and Atwater, Harry A. (2006) Highly Confined Photon Transport in Subwavelength Metallic Slot Waveguides. Nano Letters, 6 (9). pp. 1928-1932. ISSN 1530-6984. https://resolver.caltech.edu/CaltechAUTHORS:20170807-082812923

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Abstract

We report experimental realization of subwavelength slot waveguides that exhibit both micrometer-range propagation and high spatial confinement of light. Attention is given to rectangular waveguides with a Si_3N_4 core and Ag cladding; core thicknesses of 50−100 nm and widths of 250 nm − 10 μm are explored. Propagation lengths of ∼5λ are achieved with light confined to lateral and transverse dimensions of ∼λ/5 and ∼λ/2, respectively. This unique combination of light localization and propagation is achieved via interacting surface plasmons, which produce short modal wavelengths and strong field confinement at each metal/dielectric interface.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1021/nl0610477DOIArticle
http://pubs.acs.org/doi/abs/10.1021/nl0610477PublisherArticle
ORCID:
AuthorORCID
Dionne, J. A.0000-0001-5287-4357
Atwater, Harry A.0000-0001-9435-0201
Additional Information:© 2006 American Chemical Society. Received 9 May 2006. Published online 27 July 2006. Published in print 1 September 2006. Discussions and technical assistance from N.Vu, A. Scherer, G. Derose, A. Neidholdt, L. Sweatlock, and D. Pacifici are gratefully acknowledged. This work was supported by the Air Force Office of Scientific Research via MURI grant FA9550-04-1-0434. J.A.D. acknowledges support from an NDSEG fellowship administered by the Army Research Office.
Funders:
Funding AgencyGrant Number
Air Force Office of Scientific Research (AFOSR)FA9550-04-1-0434
National Defense Science and Engineering Graduate (NDSEG) FellowshipUNSPECIFIED
Army Research Office (ARO)UNSPECIFIED
Issue or Number:9
Record Number:CaltechAUTHORS:20170807-082812923
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20170807-082812923
Official Citation:Highly Confined Photon Transport in Subwavelength Metallic Slot Waveguides J. A. Dionne, H. J. Lezec, and Harry A. Atwater Nano Letters 2006 6 (9), 1928-1932 DOI: 10.1021/nl0610477
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:79835
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:07 Aug 2017 17:28
Last Modified:31 Jan 2020 21:27

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