Time-Gated Photon Counting Receivers for Optical Wireless Communication
Shenjie Huang,
Majid Safari
Abstract:Photon counting detectors such as single-photon avalanche diode (SPAD) arrays are commonly considered for reliable optical wireless communication at power limited regimes. However, SPAD-based receivers suffer from significant deadtime induced intersymbol interference (ISI) especially when the incident photon rate is relatively high and the dead time is comparable or even larger than the symbol duration, i.e., sub-dead-time regime. In this work, we propose a novel timegated SPAD receiver to mitigate such ISI ef… Show more
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