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  • Optical Fiber Communication Conference/National Fiber Optic Engineers Conference 2013
  • OSA Technical Digest (online) (Optica Publishing Group, 2013),
  • paper OTh4I.5
  • https://doi.org/10.1364/OFC.2013.OTh4I.5

Silicon microring-based integrated circuit for optical label-free biosensor with direct electrical readout

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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.

© 2013 Optical Society of America

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