Strong optical modulation of surface plasmon polaritons in metal/semiconductor nanostructures | Zendy

Seunghyun Kim | Zendy; Won-Seok Han | Zendy; TaeYoung Jeong | Zendy; Hyang-Rok Lee | Zendy; DaiSik Kim | Zendy; Kwangjun Ahn | Zendy; KiJu Yee | Zendy

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Strong optical modulation of surface plasmon polaritons in metal/semiconductor nanostructures

Author(s) -

Seunghyun Kim,

Won-Seok Han,

TaeYoung Jeong,

Hyang-Rok Lee,

DaiSik Kim,

Kwangjun Ahn,

KiJu Yee

Publication year - 2015

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.23.021279

Subject(s) - surface plasmon polariton , surface plasmon resonance , finite difference time domain method , refractive index , surface plasmon , materials science , optics , resonance (particle physics) , extraordinary optical transmission , semiconductor , polariton , plasmon , optoelectronics , modulation (music) , localized surface plasmon , physics , nanotechnology , nanoparticle , atomic physics , acoustics

We demonstrate strong modulation of the transmission around the surface plasmon polariton (SPP) resonance in metal/semiconductor hybrid nanostructures based on Ag film on top of InGaAs. The change in the real and imaginary parts of the refractive index due to photoexcited carriers in InGaAs generates a shift in the SPP resonance and enhanced transmission near the SPP resonance. Temporal evolution of the complex refractive index was traced by comparing the transient transmission with finite-difference time-domain (FDTD) simulations.

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