Thermal tuning of mid-infrared plasmonic antenna arrays using a phase change material | Zendy

Mikhail A. Kats | Zendy; Romain Blanchard | Zendy; Patrice Genevet | Zendy; Zheng Yang | Zendy; M. M. Qazilbash | Zendy; D. N. Basov | Zendy; Shriram Ramanathan | Zendy; Federico Capasso | Zendy

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Thermal tuning of mid-infrared plasmonic antenna arrays using a phase change material

Author(s) -

Mikhail A. Kats,

Romain Blanchard,

Patrice Genevet,

Zheng Yang,

M. M. Qazilbash,

D. N. Basov,

Shriram Ramanathan,

Federico Capasso

Publication year - 2013

Publication title -

optics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.524

H-Index - 272

eISSN - 1071-2763

pISSN - 0146-9592

DOI - 10.1364/ol.38.000368

Subject(s) - optics , plasmon , materials science , infrared , phase change , phase (matter) , antenna (radio) , refractive index , thermal , optoelectronics , physics , telecommunications , engineering physics , computer science , quantum mechanics , meteorology

We demonstrate that the resonances of infrared plasmonic antennas can be tuned or switched on/off by taking advantage of the thermally driven insulator-to-metal phase transition in vanadium dioxide (VO(2)). Y-shaped antennas were fabricated on a 180 nm film of VO(2) deposited on a sapphire substrate, and their resonances were shown to depend on the temperature of the VO(2) film in proximity of its phase transition, in good agreement with full-wave simulations. We achieved tunability of the resonance wavelength of approximately 10% (>1 μm at λ~10 μm).

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