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The technology of CMOS‐compatible Single Photon Avalanche Diodes is evolving rapidly and has matured to the point at which it can address the requirements of a range of imaging applications. In this report we consider the current suitability and future potential of CMOS‐compatible Single Photon Avalanche Diodes to address the particular application of display metrology.
Direct time of flight (TOF) pixels implemented with single photon avalanche diodes (SPADs) are the most suitable candidates for high sensitivity and picosecond timing resolution TOF sensors. However, their performance is severely limited in high dynamic range (HDR) applications such as advanced driver assistance systems (ADAS) and gesture recognition. Sampling the full dynamic range of the SPAD detector...
We show reception of a higher order modulation scheme using a novel high-fill-factor XOR-tree based digital silicon photomultiplier array. We also demonstrate and model even-order XOR cancellation and nonlinear saturation resulting from this design.
This paper studies complex modulation schemes, including orthogonal frequency-division multiplexing (OFDM), received by a single photon avalanche diode (SPAD) array integrated circuit (IC). A SPAD operates in the Geiger mode, and is able to detect single photons. This feature enables order of magnitude receiver sensitivity in intensity modulation (IM) / direct detection (DD) Visible Light Communication...
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