%0 Journal Article %J Opt. Express %D 2014 %T Silicon-on-insulator sensors using integrated resonance-enhanced defect-mediated photodetectors %A Fard, Sahba Talebi %A Murray, Kyle %A Caverley, Michael %A Donzella, Valentina %A Flueckiger, Jonas %A Grist, Samantha %A Huante-Ceron, Edgar %A Schmidt, Shon %A Kwok, Ezra %A Jaeger, Nicolas %A Knights, Andrew %A Chrostowski, Lukas %I OSA %K Optical resonators; Biological sensing and sensors %P 28517--28529 %U http://www.opticsexpress.org/abstract.cfm?URI=oe-22-23-28517 %V 22 %X A resonance-enhanced, defect-mediated, ring resonator photodetector has been implemented as a single unit biosensor on a silicon-on-insulator platform, providing a cost effective means of integrating ring resonator sensors with photodetectors for lab-on-chip applications. This method overcomes the challenge of integrating hybrid photodetectors on the chip. The demonstrated responsivity of the photodetector-sensor was 90 mA/W. Devices were characterized using refractive index modified solutions and showed sensitivities of 30 nm/RIU. %8 11/2014 %9 article