Silicon microring-based integrated circuit for optical label-free biosensor with direct electrical readout (original) (raw)

Optical Fiber Communication Conference/National Fiber Optic Engineers Conference 2013, 2013

Abstract

We demonstrate a cost-effective silicon microring-based bio/chemical sensor, which integrates vertical grating couplers, two cascaded microrings for optical sensing and electrical tracing, and Ge photodetector for direct sensing interrogation. Detection limit of 1.5×10-5 is demonstrated.

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