Large dynamic resonance transition between surface plasmon and localized surface plasmon modes | Zendy

Zhen Tian | Zendy; Abul K. Azad | Zendy; Xinchao Lu | Zendy; Jianqiang Gu | Zendy; Jiaguang Han | Zendy; Qirong Xing | Zendy; Antoinette J. Taylor | Zendy; John F. O’Hara | Zendy; Weili Zhang | Zendy

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Large dynamic resonance transition between surface plasmon and localized surface plasmon modes

Author(s) -

Zhen Tian,

Abul K. Azad,

Xinchao Lu,

Jianqiang Gu,

Jiaguang Han,

Qirong Xing,

Antoinette J. Taylor,

John F. O’Hara,

Weili Zhang

Publication year - 2010

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.18.012482

Subject(s) - surface plasmon , plasmon , materials science , surface plasmon polariton , surface plasmon resonance , terahertz radiation , localized surface plasmon , optics , optoelectronics , resonance (particle physics) , physics , nanoparticle , nanotechnology , particle physics

We present resonant terahertz transmission in a composite plasmonic film comprised of an array of subwavelength metallic patches and semiconductor holes. A large dynamic transition between a dipolar localized surface plasmon mode and a surface plasmon resonance near 0.8 THz is observed under near infrared optical excitation. The reversal in transmission amplitude from a stop-band to a pass-band and up to pi/2 phase shift achieved in the composite plasmonic film make it promising in large dynamic phase modulation, optical changeover switching, and active terahertz plasmonics.

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