Silicon-on-insulator sensors using integrated resonance-enhanced defect-mediated photodetectors

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 c...

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Bibliographic Details
Published inOptics express Vol. 22; no. 23; pp. 28517 - 28529
Main Authors Fard, Sahba Talebi, Murray, Kyle, Caverley, Michael, Donzella, Valentina, Flueckiger, Jonas, Grist, Samantha M, Huante-Ceron, Edgar, Schmidt, Shon A, Kwok, Ezra, Jaeger, Nicolas A F, Knights, Andrew P, Chrostowski, Lukas
Format Journal Article
LanguageEnglish
Published United States 17.11.2014
Subjects
Biosensing Techniques - instrumentation
Electricity
Optics and Photonics - instrumentation
Silicon - chemistry
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Summary: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.
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content type line 23
ISSN:1094-4087
1094-4087
DOI:10.1364/oe.22.028517