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Experimental demonstration of plasmonic racetrack resonators with a trench structure |
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| Authors: | H. Okamoto K. Yamaguchi M. Haraguchi T. Okamoto |
| Affiliation: | 1. Department of Systems and Control Engineering, Anan National College of Technology, 265 Aoki Minobayashi, Anan, Tokushima, 774-0017, Japan 2. Department of Advanced Materials Science, Faculty of Engineering, Kagawa University, 2217-20 Hayashi, Takamatsu, Kagawa, 761-0396, Japan 3. Department of Optical Science and Technology, Faculty of Engineering, The University of Tokushima, 2-1 Minamijosanjima, Tokushima, 770-8506, Japan |
| Abstract: | We fabricated and investigated a plasmonic racetrack resonator with a trench structure. Trench channel plasmon polaritons excited by end-fire coupling at a wavelength of 633 nm are observed in the fabricated racetrack resonator. The racetrack resonator also worked as a plasmonic racetrack resonator. The experimental and simulation results of the electric field distributions are in good agreement. |
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