EETimes: Philips Research group integrated 8,188 single-photon avalanche detectors (SPAD) on a single die so that each SPAD is individually addressable. The Philips chip is a digital design with an integrated 8ps timer. It does not need a separate digital readout ASIC today's analog SPAD arrays require.
Philips engineers hope to use the chip as a block in a larger 8x8 array they plan to prototype by the end of the year. Such arrays could be used in medical PET scanners, new automotive night vision systems or high throughput DNA testers.
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