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Proceedings Paper

Plasmonic analog of electromagnetic-induced transparency of asymmetrical slots waveguide
Author(s): Lin Sun; Jicheng Wang; Baojie Tang; Xiaosai Wang
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Paper Abstract

Electromagnetically induced transparency (EIT) has been proposed numerically in the plasmonic waveguides composed of unsymmetrical slots shaped metal–insulator-metal (MIM) structures. By the transmission line theory and Fabry-Perot model, the formation and evolution mechanisms of Plasmon induced transparency are exactly analyzed. The analysis shows that the peak of EIT-like transmission can be changed easily according to certain rules by adjusting the geometrical parameters of the slot structures, including the coupling distances and slot depths. We can find a new method to design nanoscale optical switch, devices in optical storage and optical computing. It is found that the slow light effects are emerged in the unsymmetrical slot structures. A small group velocity(c/80) can be achieved.

Paper Details

Date Published: 28 August 2015
PDF: 8 pages
Proc. SPIE 9547, Plasmonics: Metallic Nanostructures and Their Optical Properties XIII, 95472F (28 August 2015); doi: 10.1117/12.2185984
Show Author Affiliations
Lin Sun, Jiangnan Univ. (China)
Jicheng Wang, Jiangnan Univ. (China)
Purdue Univ. (United States)
Baojie Tang, Jiangnan Univ. (China)
Xiaosai Wang, Jiangnan Univ. (China)

Published in SPIE Proceedings Vol. 9547:
Plasmonics: Metallic Nanostructures and Their Optical Properties XIII
Allan D. Boardman; Din Ping Tsai, Editor(s)

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