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Proceedings Paper

A platform for multiplexed sensing of biomolecules using high-Q microring resonator arrays with differential readout and integrated microfluidics
Author(s): J. B. Wright; I. Brener; K. R. Westlake; D. W. Branch; M. J. Shaw; G. A. Vawter
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Paper Abstract

We demonstrate chemical/biological sensor arrays based on high quality factor evanescent microring waveguide resonators in a process that is compatible with CMOS fabrication, glass microfluidic integration, and robust surface chemistry ligand attachment. We cancel out any fluctuations due to liquid temperature variations through a differential dual sensor design. Using laser locking servo techniques we attain detection sensitivities in the ng/ml range. This combination of silicon photonic sensors, robust packaging, high sensitivity and arrayed design is capable of providing a platform for multiplexed chem-bio sensing of molecules suspended in solution.

Paper Details

Date Published: 15 February 2010
PDF: 11 pages
Proc. SPIE 7605, Optoelectronic Integrated Circuits XII, 76050C (15 February 2010);
Show Author Affiliations
J. B. Wright, Sandia National Labs. (United States)
I. Brener, Sandia National Labs. (United States)
K. R. Westlake, Sandia National Labs. (United States)
D. W. Branch, Sandia National Labs. (United States)
M. J. Shaw, Sandia National Labs. (United States)
G. A. Vawter, Sandia National Labs. (United States)

Published in SPIE Proceedings Vol. 7605:
Optoelectronic Integrated Circuits XII
Louay A. Eldada; El-Hang Lee, Editor(s)

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