Label-free biosensors based on athermal silicon-on-insulator waveguides and a harmonic dithering technique

Label-free biosensors based on athermal silicon-on-insulator waveguides and a harmonic dithering technique

We report a new high-sensitivity biosensor using athermal TM-mode SOI resonators with bulk and surface detection limits of 4.7×10 -7 RIU and ~100fg/mm 2 . Simple DFB harmonic dithering feedback techniques obviate spectrometers and tunable lasers.

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Bibliographische Detailangaben
Hauptverfasser: Kangbaek Kim, Pafchek, R. M., Koch, T. L.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Biosensors
Harmonic analysis
Optical ring resonators
Optical surface waves
Optical waveguides
Power harmonic filters
Temperature measurement
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Zusammenfassung:We report a new high-sensitivity biosensor using athermal TM-mode SOI resonators with bulk and surface detection limits of 4.7×10 -7 RIU and ~100fg/mm 2 . Simple DFB harmonic dithering feedback techniques obviate spectrometers and tunable lasers.
ISSN:2160-8989
2160-9004