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- Kim, Dai-Sik
- Nano Optics Group
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Strong optical modulation of surface plasmon polaritons in metal/semiconductor nanostructures
- Author(s)
- Kim, Seung-Hyun, Han, Won-Seok, Jeong, Tae-Young, Lee, Hyang-Rok, Kim, Dai-Sik, Ahn, Kwang-Jun, Yee, Ki-Ju
- Issued Date
- 2015-08
- Citation
- OPTICS EXPRESS, v.23, no.16, pp.21279 - 21286
- Abstract
- 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.
- Publisher
- OPTICAL SOC AMER
- ISSN
- 1094-4087
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