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Proceedings Paper

Near-field observations of surface plasmon excitation in photon-plasmon coupling structure
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Paper Abstract

We demonstrate surface plasmon (SP) excitation in Ag nanowires directly coupled with a microfiber in the presence of a MgF2 substrate. With scanning near-field optical microscopy, evident light output from the Ag nanowire and the evanescent field of the coupling structure are observed in the near-field optical image. The tip enhancement of a Ag nanowire is also analyzed from the optical intensity graph. Results presented in this work suggest a simple SP excitation approach for plasmonic and photonic circuits with high compactness.

Paper Details

Date Published: 21 December 2013
PDF: 7 pages
Proc. SPIE 9047, 2013 International Conference on Optical Instruments and Technology: Micro/Nano Photonics and Fabrication, 904703 (21 December 2013); doi: 10.1117/12.2037105
Show Author Affiliations
Xining Zhang, Huaqiao Univ. (China)
Zhe Ma, Zhejiang Communication Services Co. Ltd. (China)
Limin Tong, Zhejiang Univ. (China)


Published in SPIE Proceedings Vol. 9047:
2013 International Conference on Optical Instruments and Technology: Micro/Nano Photonics and Fabrication
Zhiping Zhou; Changhe Zhou; Zhiping Zhou, Editor(s)

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