Application-specific optimization of optical sensors based on single-photon avalanche diodes

作者: Alexander Schwinger , Benjamin Bechen , Christian Nitta , Bedrich J. Hosticka , Rainer Kokozinski

DOI: 10.1109/PRIME.2015.7251396

关键词: Compensation (engineering)Avalanche diodeCMOSOptoelectronicsElectronic engineeringDiodeSingle-photon avalanche diodeDot pitchSilicon photomultiplierPixel geometryMaterials science

摘要: In recent years, various developments have advanced the field of optical sensors based on single-photon avalanche diodes. this contribution we present two that were designed in 0.35μm CMOS technology. A silicon photomultiplier achieves a fill factor 68 % at 50 μm pixel pitch and allows improved functionality by cointegration application-specific readout electronics. time-gated line sensor with gating times down to 1.5ns serial digital output was optimized geometry suitable for spectroscopy applications. Planned further improvements diode technology, including on-chip temperature compensation, are presented.

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