Investigation of Light Coupling between a Semiconductor Nanowire and a Plasmonic Waveguide
- Authors
- No, You-Shin; Choi, Jae-Hyuck; Hwang, Min-Soo; Park, Hong-Gyu
- Issue Date
- 11월-2013
- Publisher
- KOREAN PHYSICAL SOC
- Keywords
- Surface plasmon polaritons; Nanowires; Plasmonic waveguides; Coupling efficiency
- Citation
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.63, no.10, pp.L1851 - L1854
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY
- Volume
- 63
- Number
- 10
- Start Page
- L1851
- End Page
- L1854
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/101705
- DOI
- 10.3938/jkps.63.1851
- ISSN
- 0374-4884
- Abstract
- We report a theoretical investigation of light coupling between a semiconductor nanowire ( NW) and a plasmonic waveguide. The light emitted from the NW is coupled to the waveguide and excites a symmetric plasmonic waveguide mode propagating along the top surface of the waveguide. Using numerical simulations, coupling efficiencies were calculated for various coupling structures consisting of tapered/non-tapered NWs and single-strip/double-strip gold waveguides. The highest coupling efficiency of >2.8% was obtained between a tapered NW and a double-strip plasmonic waveguide with a height of 200 nm. This study offers a new opportunity for the efficient integration of nanoscale light sources with plasmonic waveguides and enables further miniaturization of ultracompact photonic integrated circuits.
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