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Monolithic integration of a plasmonic sensor with CMOS technology

Lookup NU author(s): Dr Carl Dale, Dr Neil Keegan, Emeritus Professor Calum McNeilORCiD


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© 2017 SPIE. Monolithic integration of nanophotonic sensors with CMOS detectors can transform the laboratory based nanophotonic sensors into practical devices with a range of applications in everyday life. In this work, by monolithically integrating an array of gold nanodiscs with the CMOS photodiode we have developed a compact and miniaturized nanophotonic sensor system having direct electrical read out. Doing so eliminates the need of expensive and bulky laboratory based optical spectrum analyzers used currently for measurements of nanophotonic sensor chips. The experimental optical sensitivity of the gold nanodiscs is measured to be 275 nm/RIU which translates to an electrical sensitivity of 5.4 V/RIU. This integration of nanophotonic sensors with the CMOS electronics has the potential to revolutionize personalized medical diagnostics similar to the way in which the CMOS technology has revolutionized the electronics industry.

Publication metadata

Author(s): Shakoor A, Cheah BC, Hao D, Al-Rawhani M, Nagy B, Grant J, Dale C, Keegan N, McNeil C, Cumming DRS

Editor(s): Louay A. Eldada; El-Hang Lee; Sailing He

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: Smart Photonic and Optoelectronic Integrated Circuits XIX

Year of Conference: 2017

Pages: 101070F

Online publication date: 20/02/2017

Acceptance date: 02/04/2016

ISSN: 1996-756X

Publisher: SPIE


DOI: 10.1117/12.2250504

Library holdings: Search Newcastle University Library for this item

Series Title: SPIE Proceedings

ISBN: 9781510606555