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Proceedings Paper

Analysis of surface plasmon resonance triangular-resonator sensor
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Paper Abstract

In this paper, we propose an integrated photonic sensor structure using triangular ring resonator (TRR), in which surface plasmon resonance (SPR) is combined for the enhancement of sensitivity. In our previous experimental work on TRR without SPR, we have shown that the Q-factor and the sensitivity of the resonance shift were approximately 7×102and 8.4 nm/RIU, respectively, near 1550 nm. By employing a thin-metal layer for SPR at the total-internal-refection mirror in TRR, we have obtained significantly enhanced sensitivity of the resonance shift up to 55 nm/RIU maintaining similar Q-factor.

Paper Details

Date Published: 17 January 2011
PDF: 6 pages
Proc. SPIE 7941, Integrated Optics: Devices, Materials, and Technologies XV, 794118 (17 January 2011); doi: 10.1117/12.874582
Show Author Affiliations
Geum-Yoon Oh, Chung-Ang Univ. (Korea, Republic of)
Doo-Gun Kim, Korea Photonics Technology Institute (Korea, Republic of)
Hong-Seung Kim, Chung-Ang Univ. (Korea, Republic of)
Tae-Kyeong Lee, Chung-Ang Univ. (Korea, Republic of)
Young-Wan Choi, Chung-Ang Univ. (Korea, Republic of)

Published in SPIE Proceedings Vol. 7941:
Integrated Optics: Devices, Materials, and Technologies XV
Jean Emmanuel Broquin; Gualtiero Nunzi Conti, Editor(s)

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