Luca Parmesan

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Advances in SPAD sensor technology have recently yielded a >10kfps, 320x240 resolution imager [1] that can be operated as a Quanta Image Sensor (QIS) [2]. This device (labelled SPCImager) thus combines the high speed and sensitivity afforded by SPAD devices with the negligible readout noise and logarithmic compression of QIS. These attributes open the door(More)
SPAD-based solid state CMOS image sensors utilising analogue integrators have attained deep sub-electron read noise (DSERN) permitting single photon counting (SPC) imaging. A new method is proposed to determine the read noise in DSERN image sensors by evaluating the peak separation and width (PSW) of single photon peaks in a photon counting histogram (PCH).(More)
A high resolution Time Correlated Single Photon Counting (TCSPC) image sensor based on sample and hold Time to Amplitude Converter (TAC)pixels and a global ramp voltage is presented. The 256× 256 array achieves an 8 μm Pixel Pitch (PP), 19.63% Fill Factor (FF), output voltage range (0.7V) and time jitter of 368 ps at 10 fps employing an off-chip 14-bit(More)
Single Photon Avalanche Diode (SPAD) arrays are widely used in many scientific applications for Time Correlated Single Photon Counting (TCSPC) thanks to the high timing resolution and single photon precision [1,2]. However, at high photon rates, such systems suffer from photon pile-up effect [3]. In our recent work [4], we have demonstrated a high(More)
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