Experimental and simulation study of fill-factor enhancement using a virtual guard ring in n+/p-well CMOS single-photon avalanche diodes
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DOI: 10.1117/1.oe.60.6.067105
Abstract: Abstract. The use of a physical guard ring in CMOS single-photon avalanche diodes (SPADs) based on n + /(deep)p-well and p + /(deep)n-well structures is a common solution to control the electric field of the SPADs periphery and prevent… read more here.
Keywords: virtual guard; guard ring; fill factor; cmos single ... See more keywords