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Proceedings Paper

Activity of surface plasmon in the ring-like microcavities
Author(s): Artashes Vardanyan; Hovhannes Haroyan; Arsen Babajanyan; Khachatur Nerkararyan; Kiejin Lee
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Paper Abstract

The surface plasmon polariton (SPP) modes formation in the structure consisting from metallic torus and a metallic flat surface separated by dielectric medium, as well as in ring type V-groove cavity are considered theoretically. The results obtained for these two structures are compared. The energy of the wave field is mainly concentrated in the dielectric medium at the vicinity of the minimum thickness of the gap between the metallic surfaces. The dependence of the resonant frequency on parameters of the structure was determined. The strongly localized SPP mode in the transverse direction contributes to the increase in the Purcell factor that is crucial for enhancement of the spontaneous emission rate.

Paper Details

Date Published: 25 January 2012
PDF: 11 pages
Proc. SPIE 8414, Photonics and Micro- and Nano-structured Materials 2011, 84140J (25 January 2012); doi: 10.1117/12.923467
Show Author Affiliations
Artashes Vardanyan, Yerevan State Univ. (Armenia)
Hovhannes Haroyan, Yerevan State Univ. (Armenia)
Arsen Babajanyan, Yerevan State Univ. (Armenia)
Khachatur Nerkararyan, Yerevan State Univ. (Armenia)
Kiejin Lee, Sogang Univ. (Korea, Republic of)

Published in SPIE Proceedings Vol. 8414:
Photonics and Micro- and Nano-structured Materials 2011
Rafael Kh. Drampyan, Editor(s)

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