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On-Chip High-Finesse Fabry-Perot Microcavities for Optical Sensing and Quantum Information

ECE department, University of Alberta, 9107-116 St. NW, Edmonton, AB T6G 2V4, Canada
Authors to whom correspondence should be addressed.
Sensors 2017, 17(8), 1748;
Received: 15 June 2017 / Revised: 20 July 2017 / Accepted: 21 July 2017 / Published: 31 July 2017
(This article belongs to the Special Issue State-of-the-Art Sensors Technology in Canada 2017)
For applications in sensing and cavity-based quantum computing and metrology, open-access Fabry-Perot cavities—with an air or vacuum gap between a pair of high reflectance mirrors—offer important advantages compared to other types of microcavities. For example, they are inherently tunable using MEMS-based actuation strategies, and they enable atomic emitters or target analytes to be located at high field regions of the optical mode. Integration of curved-mirror Fabry-Perot cavities on chips containing electronic, optoelectronic, and optomechanical elements is a topic of emerging importance. Micro-fabrication techniques can be used to create mirrors with small radius-of-curvature, which is a prerequisite for cavities to support stable, small-volume modes. We review recent progress towards chip-based implementation of such cavities, and highlight their potential to address applications in sensing and cavity quantum electrodynamics. View Full-Text
Keywords: Fabry-Perot; integrated optics devices; microcavities Fabry-Perot; integrated optics devices; microcavities
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Bitarafan, M.H.; DeCorby, R.G. On-Chip High-Finesse Fabry-Perot Microcavities for Optical Sensing and Quantum Information. Sensors 2017, 17, 1748.

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