Design of an optofluidic biosensor using the slow-light effect in photonic crystal structures

[摘要]：The authors propose a biosensor architecture based on the selective infiltration of photonic crystal (PhC) structures. The proposed sensor consists of a ring cavity coupled to an optofluidic slow-light waveguide in a PhC platform. A high potential sensitivity of 293 nm/refractive index unit is numerically demonstrated, while maintaining an ultracompact footprint. (C) 2012 Optical Society of America

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