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Electrooptic Modulation in Thin Film Barium Titanate Plasmonic Interferometers

Dicken, Matthew J. and Sweatlock, Luke A. and Pacifici, Domenico and Lezec, Henri J. and Bhattacharya, Kaushik and Atwater, Harry A. (2008) Electrooptic Modulation in Thin Film Barium Titanate Plasmonic Interferometers. Nano Letters, 8 (11). pp. 4048-4052. ISSN 1530-6984. https://resolver.caltech.edu/CaltechAUTHORS:DICnl08

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Abstract

We demonstrate control of the surface plasmon polariton wavevector in an active metal−dielectric plasmonic interferometer by utilizing electrooptic barium titanate as the dielectric layer. Arrays of subwavelength interferometers were fabricated from pairs of parallel slits milled in silver on barium titanate thin films. Plasmon-mediated transmission of incident light through the subwavelength slits is modulated by an external voltage applied across the barium titanate thin film. Transmitted light modulation is ascribed to two effects, electrically induced domain switching and electrooptic modulation of the barium titanate index.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1021/nl802981qDOIArticle
ORCID:
AuthorORCID
Bhattacharya, Kaushik0000-0003-2908-5469
Atwater, Harry A.0000-0001-9435-0201
Additional Information:Copyright © 2008 American Chemical Society. Received October 1, 2008. Publication Date (Web): October 11, 2008. We acknowledge financial support from the National Science Foundation, under Grant DMR 0606472, and the Army Research Office; portions of this work were performed in facilities sponsored by the Center for Science and Engineering of Materials, an NSF MRSEC. We also gratefully acknowledge helpful discussions with Jennifer Dionne, Rene DeWaele, and Stanley Burgos.
Funders:
Funding AgencyGrant Number
NSFDMR 0606472
Army Research Office (ARO)UNSPECIFIED
Center for Science and Engineering of Materials (CSEM), CaltechUNSPECIFIED
Issue or Number:11
Record Number:CaltechAUTHORS:DICnl08
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:DICnl08
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:12538
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:16 Dec 2008 23:24
Last Modified:03 Oct 2019 00:29

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