Industrialised SPAD in 40 nm technology

Pellegrini, Sara; Rae, Bruce R.; Pingault, A.; Golanski, Dominique; Jouan, S.; Lapeyre, C.; Mamdy, Bastien

doi:10.1109/iedm.2017.8268404

Cited by 42 publications

(31 citation statements)

References 4 publications

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“…A 635 nm red LED is driven by a Keysight 33600A waveform generator which generates an analogue 60 Mbps unipolar OOK signal with rectangular pulse shaping. The SPAD photon detection probability (PDP) at this wavelength is 14.4% [21]. Considering that the symbol duration is T c = 16.7 ns, the system is operated in the sub-dead-time regime with a DTSD ratio of 1.26.…”

Section: Resultsmentioning

confidence: 99%

Optimal Photon Counting Receiver for Sub-Dead-Time Signal Transmission

Huang

Patanwala

Kosman

et al. 2020

J. Lightwave Technol.

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In many practical scenarios, single-photon avalanche diodes (SPADs) are good solutions to improve the performance of optical communication systems due to their high sensitivity to photon arrival. SPAD receivers can be implemented in large arrays to achieve higher data rates and additional protection against background light; however, they suffer from a significant intersymbol interference (ISI) if the SPAD dead time is comparable or larger than the symbol duration, i.e., sub-dead-time signal transmission. This work proposes a novel detection scheme designed for high-speed SPAD-based systems to effectively mitigate the degradation induced by ISI. Different from traditional receivers, in the proposed scheme, the information extracted from both the counts and arrival times of photons are utilised for the optimal symbol detection in the presence of the non-linear and random ISI effect due to dead time. Our extensive numerical and experimental results demonstrate the superiority of the proposed photon time information based detection (PTID) scheme in terms of both BER performance and background light tolerance of the communication link. In addition, a linear approximation of the SPAD-based channel is investigated, which illustrates that the traditional equalization methods are effective under some specific circumstances.

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Section: Resultsmentioning

confidence: 99%

Optimal Photon Counting Receiver for Sub-Dead-Time Signal Transmission

Huang

Patanwala

Kosman

et al. 2020

J. Lightwave Technol.

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“…1. The imager is fabricated in STMicroelectronics 40 nm CMOS foundry technology optimized for SPADs [19] and comprises a 128 x 128 array of pixels. Each half-column of the imager array is mapped to a corresponding Vision-ToF processor as shown in Fig.…”

Section: Sensor Architecturementioning

confidence: 99%

A 128 × 128 SPAD Motion-Triggered Time-of-Flight Image Sensor With In-Pixel Histogram and Column-Parallel Vision Processor

Rocca

Mai

Hutchings

et al. 2020

IEEE J. Solid-State Circuits

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“…Especially, SPADs implemented in a standard complementary metal oxide semiconductor (CMOS) process is the key that enables high-volume production of low-cost single-photon sensors. Although many efforts have been focusing on realizing CMOS-compatible SPADs and single-photon sensors in deep-submicron CMOS technology [4][5][6][7][8][9][10][11][12][13][14][15][16], the majority of them rely on non-standard processes with customized layers that increase the cost and design complexity.…”

Section: Introductionmentioning

confidence: 99%

Monolithically-Integrated Single-Photon Avalanche Diode in a Zero-Change Standard CMOS Process for Low-Cost and Low-Voltage LiDAR Application

et al. 2019

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We present a single-photon sensor based on the single-photon avalanche diode (SPAD) that is suitable for low-cost and low-voltage light detection and ranging (LiDAR) applications. It is implemented in a zero-change standard 0.18-μm complementary metal oxide semiconductor process at the minimum cost by excluding any additional processing step for customized doping profiles. The SPAD is based on circular shaped P+/N-well junction of 8-μm diameter, and it achieves low breakdown voltage below 10 V so that the operation voltage of the single-photon sensor can be minimized. The quenching and reset circuit is integrated monolithically to capture photon-generated output pulses for measurement. A complete characterization of our single-photon sensor is provided.

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Industrialised SPAD in 40 nm technology

Cited by 42 publications

References 4 publications

Optimal Photon Counting Receiver for Sub-Dead-Time Signal Transmission

Optimal Photon Counting Receiver for Sub-Dead-Time Signal Transmission

A 128 × 128 SPAD Motion-Triggered Time-of-Flight Image Sensor With In-Pixel Histogram and Column-Parallel Vision Processor

Monolithically-Integrated Single-Photon Avalanche Diode in a Zero-Change Standard CMOS Process for Low-Cost and Low-Voltage LiDAR Application

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