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A Waveguide-Typed Plasmonic Mode Converter
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- Authors
- Hae-Ryeong Park, Jong-Moon Park, Min-su Kim, Myung-Hyun Lee
- Issue Date
- 2012-08
- Citation
- Optics Express, v.20, no.17, pp.18636-18645
- ISSN
- 1094-4087
- Publisher
- Optical Society of America(OSA),
- Language
- English
- Type
- Journal Article
- Project Code
- 12MB2600, 나노 플라즈모닉 집적회로, Kim Min-Su
- Abstract
- Waveguide-typed plasmonic mode converters (WPMCs) at a wavelength of 1.55 μm are presented. The WPMC is composed of an insulator-metal-insulator waveguide (IMI-W)a 1st reversely tapered insulator-metal-insulator-metal- insulator waveguide (RT-IMIMI-W)an insulator-metal-insulator-metal-insulator waveguide (IMIMI-W)a 2nd RTIMIMI- W with lateral silver mirrors (LSMs)and a metal-insulator-metal waveguide (MIM-W) in series. The mode sizes for the IMI-WIMIMI-W, and MIM-W via the IMIMI-W with LSMs were not only calculated using a finite element method but were also experimentally measured. The input mode size of 10.3 μm × 10.3 μm from a polarization-maintaining singlemode fiber was squeezed to the mode size of ~2.9 μm × 2.9 μm in measurement by converting an s0 mode to an Sa0 mode via an Ss0 mode. The WPMC may be potentially useful for bridging micro- to nanoplasmonic integrated circuits. © 2012 Optical Society of America.
- KSP Keywords
- Finite Element Method(FEM), Integrated circuit, Metal-insulator-metal waveguide, Micro-, Plasmonic mode, S0 mode, mode converter, polarization-maintaining