Vertical silicon nanowire-based racetrack resonator optical sensor
Source abstract
Abstract
Abstract We propose a highly sensitive optical sensor which is built from silicon nanowires. The silicon nanowires are arranged to form a ring resonator. The silicon nanowires cladding and voids are filled with the analyte. The sensor has a small footprint of 16 μm × 16.5 μm. The insertion loss of the sensor is only 0.4 dB, while it is characterized by its high sensitivity of 430 nm/RIU. As a biosensor, our device showed a 100 nm/RIU sensitivity when a thin biolayer of 10 nm thickness is attached to the silicon nanowire structures.
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Research context
OpenAlex topics: Photonic and Optical Devices · Plasmonic and Surface Plasmon Research · Nanowire Synthesis and Applications
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References (28)
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