Whispering Gallery Microcavity Nanosensor with In-Line Interferometer | OMICS International | Abstract
ISSN: 2090-4967

Biosensors Journal
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Research Article

Whispering Gallery Microcavity Nanosensor with In-Line Interferometer

Steven Herchak, Wenyan Yu, Wu-Sheng Lu and Tao Lu*

Department of Electrical and Computer Engineering, University of Victoria, Canada

Corresponding Author:
Lu T
Department of Electrical and Computer Engineering
University of Victoria, Victoria
BC V8P 5C2, Canada
Tel: +12507217211
E-mail: [email protected]

Received Date: June 21, 2015 Accepted Date: August 19, 2015 Published Date: August 21, 2015

Citation: Herchak S, Yu W, Lu WS, Lu T (2015) Whispering Gallery Microcavity Nanosensor with In-Line Interferometer. Biosens J 4:122. doi:10.4172/2090- 4967.1000122

Copyright: © 2015 Herchak S, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


Here we demonstrate a simple but robust interferometry scheme that connects an ultra-high quality factor whispering gallery micro cavity to a FC/PC connectorized single mode fibre. With this scheme, single Polystyrene beads with a radius as small as 25 nm can be detected at a signal-to-noise ratio of around 3.