20 November 2012 High-sensitivity silicon photonic biosensors based on cascaded resonators
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Abstract
Silicon photonic biosensors based on cascaded resonators employing the Vernier effect are shown to be capable of greatly increasing the sensitivity. Two implementation schemes are presented, one using two cascaded ring resonators with a broadband light source, and the other by cascading a Fabry-Perot laser with a silicon ring resonator. Simple intensity interrogation schemes are developed to advance the planar waveguide sensor technology towards low-cost practical applications.
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Xianxin Jiang, Jinyan Song, Lei Jin, Jian-Jun He, "High-sensitivity silicon photonic biosensors based on cascaded resonators", Proc. SPIE 8564, Nanophotonics and Micro/Nano Optics, 85640Y (20 November 2012); doi: 10.1117/12.2001581; https://doi.org/10.1117/12.2001581
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