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Title: Control of plasmonic nanoantennas by reversible metal-insulator transition

Journal Article · · Scientific Reports
DOI:https://doi.org/10.1038/srep13997· OSTI ID:1326183

We demonstrate dynamic reversible switching of VO2 insulator-to-metal transition (IMT) locally on the scale of 15 nm or less and control of nanoantennas, observed for the first time in the near-field. Using polarization-selective near-field imaging techniques, we simultaneously monitor the IMT in VO2 and the change of plasmons on gold infrared nanoantennas. Structured nanodomains of the metallic VO2 locally and reversibly transform infrared plasmonic dipole nanoantennas to monopole nanoantennas. Fundamentally, the IMT in VO2 can be triggered on femtosecond timescale to allow ultrafast nanoscale control of optical phenomena. These unique features open up promising novel applications in active nanophotonics.

Research Organization:
Georgia State Univ., Atlanta, GA (United States); Georgia State University
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES); USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Materials Sciences & Engineering Division
Grant/Contract Number:
SC0007043; sc0007043
OSTI ID:
1326183
Alternate ID(s):
OSTI ID: 1454701
Journal Information:
Scientific Reports, Vol. 5; ISSN 2045-2322
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 19 works
Citation information provided by
Web of Science

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Cited By (9)

Tunable Volatility of Ge 2 Sb 2 Te 5 in Integrated Photonics journal January 2019
Reconfigurable infrared hyperbolic metasurfaces using phase change materials journal October 2018
Carrier localization in perovskite nickelates from oxygen vacancies journal October 2019
Nanoscale electrodynamics of strongly correlated quantum materials journal November 2016
Geometric constraints on phase coexistence in vanadium dioxide single crystals journal January 2017
Temperature sensitivity of scattering-type near-field nanoscopic imaging in the visible range journal January 2019
VO 2 as a natural optical metamaterial journal January 2018
Refractive Index-Based Control of Hyperbolic Phonon-Polariton Propagation journal September 2019
Reconfigurable Mid-Infrared Hyperbolic Metasurfaces using Phase-Change Materials text January 2018