Design and optimization of microring resonators in biochemical sensing applications

Microring resonators can be exploited for biochemical sensing applications. To gain a better understanding of the design and optimization of microring sensors, the authors analytically derive the detection limit and the sensitivity. Other important parameters, including the ON-OFF contrast ratio and...

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Veröffentlicht in:	Journal of lightwave technology 2006-03, Vol.24 (3), p.1395-1402
Hauptverfasser:	Chung-Yen Chao, Guo, L.J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Biochemical sensors Biochemistry Biological and medical sciences Biomedical optical imaging Biosensors Biotechnology Chemical and biological sensors Circuit properties Design optimization Detection Electric, optical and optoelectronic circuits Electronics Exact sciences and technology Fundamental and applied biological sciences. Psychology Fundamental areas of phenomenology (including applications) Gain General equipment and techniques Guidelines Instruments, apparatus, components and techniques common to several branches of physics and astronomy integrated optics Integrated optics. Optical fibers and wave guides Laser optical systems: design and operation Mathematical analysis Methods. Procedures. Technologies Microcavities microcavity microresonator microring microring resonator Optical and optoelectronic circuits Optical interferometry Optical resonators Optical sensors Optical surface waves Optical waveguides Optics Optimization Physics Resonators Resonators, cavities, amplifiers, arrays, and rings ridge waveguides sensors Sensors (chemical, optical, electrical, movement, gas, etc.) remote sensing Signal to noise ratio Various methods and equipments waveguide
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Zusammenfassung:	Microring resonators can be exploited for biochemical sensing applications. To gain a better understanding of the design and optimization of microring sensors, the authors analytically derive the detection limit and the sensitivity. Other important parameters, including the ON-OFF contrast ratio and the signal-to-noise ratio (SNR), are also considered. In this paper, the combination of two sensing mechanisms and two sensing schemes are analyzed. These calculations provide a guideline for determining the microring geometry to satisfy the desired sensing requirements. In addition, the results can provide insights on how to enhance the sensitivity and lower the detection limit
ISSN:	0733-8724 1558-2213
DOI:	10.1109/JLT.2005.863333