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Tunable Plasmonic Nanogap Resonators

Authors:
Tiziana Bond
Mihail Bora
Allan Chang

Keywords: plasmonics; resonant cavity; tunability; nanolithography.

Abstract:
We present a new class of plasmonic substrates based on two-dimensional rectangular array of nanopillars over very large areas (4” wafers). The gap between each pair of neighboring nanopillars is small enough (< 100 nm) that highly confined plasmonic cavity resonances are supported in between such pairs. The resonant structures are tunable in the 400-800nm visible range with strong field enhancements and antireflective performance, up to 80% of incident light due to a highly efficient coupling and trapping. Because of their design and fabrication flexibility, these nanotemplates they can impact various fields, from detection and spectroscopy to energy harvesting to photovoltaic.

Pages: 56 to 59

Copyright: Copyright (c) The Government of USA, 2012. Used by permission to IARIA.

Publication date: August 19, 2012

Published in: conference

ISSN: 2308-3530

ISBN: 978-1-61208-214-1

Location: Rome, Italy

Dates: from August 19, 2012 to August 24, 2012