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

Publication Type:

Journal Article

Source:

Opt. Express, OSA, Volume 22, Number 23, p.28517--28529 (2014)

URL:

http://www.opticsexpress.org/abstract.cfm?URI=oe-22-23-28517

Keywords:

Optical resonators; Biological sensing and sensors

Abstract:

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.

Faculty Member(s): 
Lukas.Chrostowski
Faculty Member(s): 
Nicolas.Jaeger
Research Area(s): 
Sensors and Actuators
Research Area(s): 
Photonics and Optics