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Proceedings Paper

Slot ring biosensors using silicon nitride waveguides with small temperature coefficient
Author(s): Anna Hirowatari; Tomoya Taniguchi; Takeshi Ikeda; Masataka Fukuyama; Yoshiteru Amemiya; Akio Kuroda; Shin Yokoyama
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Paper Abstract

We propose the biosensor chip using optical ring resonators. Although the detection of biomarkers for the diagnosis of diseases generally requires high sensitivity of the order of 10-9 g/ml, the detection sensitivity of our device was of the order of 10-7 g/ml. In this paper, we show that 10 or 100 times higher sensitivity than the previous biosensor is accomplished by the following three strategies; (1) using slot-type waveguides, (2) using silicon nitride (SiN) as the waveguide core, (3) improvement of measurement system.

Paper Details

Date Published: 10 May 2012
PDF: 8 pages
Proc. SPIE 8431, Silicon Photonics and Photonic Integrated Circuits III, 84311S (10 May 2012); doi: 10.1117/12.922536
Show Author Affiliations
Anna Hirowatari, Hiroshima Univ. (Japan)
Tomoya Taniguchi, Hiroshima Univ. (Japan)
Takeshi Ikeda, Hiroshima Univ. (Japan)
Masataka Fukuyama, Hiroshima Univ. (Japan)
Yoshiteru Amemiya, Hiroshima Univ. (Japan)
Akio Kuroda, Hiroshima Univ. (Japan)
Shin Yokoyama, Hiroshima Univ. (Japan)


Published in SPIE Proceedings Vol. 8431:
Silicon Photonics and Photonic Integrated Circuits III
Laurent Vivien; Seppo K. Honkanen; Lorenzo Pavesi; Stefano Pelli, Editor(s)

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