Optimal design of a spectral readout type planar waveguide-mode sensor with a monolithic structure

Xiaomin Wang, Makoto Fujimaki, Takafumi Kato, Ken Ichi Nomura, Koichi Awazu, Yoshimichi Ohki

研究成果: Article査読

15 被引用数 (Scopus)

抄録

Optical planar waveguide-mode sensor is a promising candidate for highly sensitive biosensing techniques in fields such as protein adsorption, receptor-ligand interaction and surface bacteria adhesion. To make the waveguide-mode sensor system more realistic, a spectral readout type waveguide sensor is proposed to take advantage of its high speed, compactness and low cost. Based on our previously proposed monolithic waveguide-mode sensor composed of a SiO2 waveguide layer and a single crystalline Si layer [1], the mechanism for achieving high sensitivity is revealed by numerical simulations. The optimal achievable sensitivities for a series of waveguide structures are summarized in a contour map, and they are found to be better than those of previously reported angle-scan type waveguide sensors.

本文言語English
ページ(範囲)20205-20213
ページ数9
ジャーナルOptics Express
19
21
DOI
出版ステータスPublished - 2011 10 10

ASJC Scopus subject areas

  • 原子分子物理学および光学

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