Journal
APPLIED PHYSICS LETTERS
Volume 97, Issue 9, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3483156
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Funding
- Air Force Office of Scientific Research (AFOSR)
- National Science Foundation (NSF)
- Army Research Office (ARO)
- Penn State Center for Nanoscale Science (MRSEC)
- Div Of Electrical, Commun & Cyber Sys
- Directorate For Engineering [0801922] Funding Source: National Science Foundation
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A frequency-addressed plasmonic switch was demonstrated by embedding a uniform gold nanodisk array into dual-frequency liquid crystals (DFLCs). The optical properties of the hybrid system were characterized by extinction spectra of localized surface plasmon resonances (LSPRs). The LSPR peak was tuned using a frequency-dependent electric field. A similar to 4 nm blueshift was observed for frequencies below 15 kHz, and a 23 nm redshift was observed for frequencies above 15 kHz. The switching time for the system was similar to 40 ms. This DFLC-based active plasmonic system demonstrates an excellent, reversible, frequency-dependent switching behavior and could be used in future integrated nanophotonic circuits. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3483156]
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