17 January 2011 Analysis of surface plasmon resonance triangular-resonator sensor
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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.
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Geum-Yoon Oh, Geum-Yoon Oh, Doo-Gun Kim, Doo-Gun Kim, Hong-Seung Kim, Hong-Seung Kim, Tae-Kyeong Lee, Tae-Kyeong Lee, Young-Wan Choi, Young-Wan Choi, } "Analysis of surface plasmon resonance triangular-resonator sensor", Proc. SPIE 7941, Integrated Optics: Devices, Materials, and Technologies XV, 794118 (17 January 2011); doi: 10.1117/12.874582; https://doi.org/10.1117/12.874582
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