Journal
OPTICAL ENGINEERING
Volume 58, Issue 2, Pages -Publisher
SPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
DOI: 10.1117/1.OE.58.2.020901
Keywords
biochemical sensing; photonics; sensing; spectroscopic; interferometer; ring resonator; photonic crystal; spectroscopic sensor
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Funding
- U.S. Army Edgewood Chemical and Biological Center
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Photonic integrated circuits (PICs), the optical counterpart of traditional electronic integrated circuits, are paving the way toward truly portable and highly accurate biochemical sensors for Department of Defense (DoD)-relevant applications. We introduce the fundamentals of PIC-based biochemical sensing and describe common PIC sensor architectures developed to-date for single-identification and spectroscopic sensor classes. We discuss DoD investments in PIC research and summarize current challenges. We also provide future research directions likely required to realize widespread application of PIC-based biochemical sensors. These research directions include materials research to optimize sensor components for multiplexed sensing; engineering improvements to enhance the practicality of PIC-based devices for field use; and the use of synthetic biology techniques to design new selective receptors for chemical and biological agents. (C) The Authors. Published by SPIE under a Creative Commons Attribution 4.0 Unported License.
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