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Proceedings Paper

SOI strip waveguide microring resonator for homogeneous biosensing
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Paper Abstract

We report the simulation and analytical results obtained for homogenous or bulk sensing of protein on Siliconon- insulator strip waveguide based microring resonator. The radii of the rings considered are 5 μm and 20 μm; the waveguide dimensions are 300 × 300 nm. A gap of (i) 200 nm and (ii) 300 nm exists between the ring and the bus waveguide. The biomaterial is uniformly distributed over a thickness which exceeds the evanescent field penetration depth of 150 nm. The sensitivities of the resonators are 32.5 nm/RIU and 17.5 nm/RIU (RIU - Refractive index unit) respectively.

Paper Details

Date Published: 14 September 2011
PDF: 7 pages
Proc. SPIE 8129, Novel Optical Systems Design and Optimization XIV, 81290B (14 September 2011); doi: 10.1117/12.899476
Show Author Affiliations
Sathish Malathi, Indian Institute of Science Bangalore (India)
Nivesh Mangal, Indian Institute of Science Bangalore (India)
Shafeek A. Samad, Cochin Univ. of Science & Technology (India)
Rajini V. Honnungar, Indian Institute of Science Bangalore (India)
T. Srinivas, Indian Institute of Science Bangalore (India)


Published in SPIE Proceedings Vol. 8129:
Novel Optical Systems Design and Optimization XIV
R. John Koshel; G. Groot Gregory, Editor(s)

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