IEEE Electron Device Letters · 2008 · 19 citations · 10 references
EngineeringCrosstalk IssueMeasurementOptical TestingEducationElectromagnetic CompatibilityCrosstalk OriginCalibrationElectronic EngineeringInstrumentationRadiation ImagingCrosstalk Measurement ApproachElectrical EngineeringPhysicsMonte-carlo ModellingCrosstalk CharacterizationRadiation TransportPhotoelectric MeasurementMicroelectronicsApplied PhysicsOptical Information ProcessingOptoelectronics
Following our work on Geiger-mode avalanche photodiode arrays, we have recently been dealing with the crosstalk issue in newly developed dense arrays with a minimum distance between pixel centers of 84 mum. In this paper, we present our crosstalk measurement approach, including the experimental setup and the offline calculation methods. Different characterizations of the crosstalk probability P <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">CT</sub> versus capacitance have been performed to extrapolate the P <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">CT</sub> when no measurement setup loads the pixels. We also present results regarding the crosstalk probability versus pixel distance and bias. Moreover, by adopting a slightly different approach, the probability density decay time has been measured to investigate about crosstalk origin.
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