2020
DOI: 10.1098/rsta.2019.0194
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Distortion losses of high-speed single-photon avalanche diode optical receivers approaching quantum sensitivity

Abstract: The high internal gain of single-photon avalanche diodes (SPADs) operating in Geiger mode allows the quantum limit of detection to be approached. This offers a significantly improved sensitivity for optical communication over existing photodiodes. A fully integrated CMOS SPAD array receiver (RX) is presented which achieves 500 Mb s −1 four-level pulse amplitude modulation in a visible light communication link within 15.2 dB of the quantum limit.… Show more

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Cited by 3 publications
(2 citation statements)
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“…SPADs operate in the Geiger mode and can detect single photons. This theme issue includes an article by Henderson and co-workers [15], who is a pioneer of digital SPAD devices in complementary metal-oxide semiconductor (CMOS).…”
Section: (A) Devices and Componentsmentioning
confidence: 99%
“…SPADs operate in the Geiger mode and can detect single photons. This theme issue includes an article by Henderson and co-workers [15], who is a pioneer of digital SPAD devices in complementary metal-oxide semiconductor (CMOS).…”
Section: (A) Devices and Componentsmentioning
confidence: 99%
“…As SPAD and SNSPD cannot detect the signal within their dead time [29][30][31], inserting the guard time slot into the signal and receiving it by the detector array are applied to solve the problem [32,33]. The former can be realized by programming but reduces communication efficiency, whereas the latter increases hardware complexity and power consumption.…”
Section: Deep-space Optical Communication and Ranging Methods Based O...mentioning
confidence: 99%