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Proceedings Paper

Subwavelength dielectric-loaded plasmonic waveguides based on a core-shell structure
Author(s): Bing Shen; Yongqing Huang; Xiaomin Ren; Qi Wang; Xia Zhang; Xiaofeng Duan; Dong Zhang; Jinghua Hu
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Paper Abstract

A new type of subwavelength plasmonic waveguide based on a core-shell structure has been proposed. It is based on a semicylinder-shape dielectric-loaded plasmonic waveguide supporting the excitation of surface plasmon polaritons (SPPs). Simulation results reveal that the proposed waveguide exhibit a better trade-off in terms of mode localization and propagation length when compared to the traditional dielectric-loaded plasmonic waveguide. In addition, a ring resonator formed with the proposed waveguide shows a perfect performance with 1.8nm bandwidth and 23dB extinction ratio.

Paper Details

Date Published: 27 November 2012
PDF: 8 pages
Proc. SPIE 8555, Optoelectronic Devices and Integration IV, 855505 (27 November 2012); doi: 10.1117/12.999493
Show Author Affiliations
Bing Shen, Beijing Univ. of Posts and Telecommunications (China)
Yongqing Huang, Beijing Univ. of Posts and Telecommunications (China)
Xiaomin Ren, Beijing Univ. of Posts and Telecommunications (China)
Qi Wang, Beijing Univ. of Posts and Telecommunications (China)
Xia Zhang, Beijing Univ. of Posts and Telecommunications (China)
Xiaofeng Duan, Beijing Univ. of Posts and Telecommunications (China)
Dong Zhang, Beijing Univ. of Posts and Telecommunications (China)
Jinghua Hu, Beijing Univ. of Posts and Telecommunications (China)


Published in SPIE Proceedings Vol. 8555:
Optoelectronic Devices and Integration IV
Xuping Zhang; Hai Ming; Joel M. Therrien, Editor(s)

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