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Temporal photon correlation measurement, instrumental to probing the quantum properties of light, typically requires multiple single photon detectors. Progress in single photon avalanche diode (SPAD) array technology highlights their…

Spatial correlations between two photons are the key resource in realising many quantum imaging schemes. Measurement of the bi-photon correlation map is typically performed using single-point scanning detectors or single-photon cameras…

Single-photon avalanche diodes (SPADs) are an emerging sensor technology capable of detecting individual incident photons, and capturing their time-of-arrival with high timing precision. While these sensors were limited to single-pixel or…

Computer Vision and Pattern Recognition · Computer Science 2020-06-23 Sizhuo Ma , Shantanu Gupta , Arin C. Ulku , Claudio Bruschini , Edoardo Charbon , Mohit Gupta

Single-photon avalanche diode (SPAD) arrays are solid-state detectors offering imaging capabilities at the level of individual photons, with unparalleled photon counting and time-resolved performance. This fascinating technology has…

Instrumentation and Detectors · Physics 2019-03-19 Claudio Bruschini , Harald Homulle , Ivan Michel Antolovic , Samuel Burri , Edoardo Charbon

Single-Photon Avalanche Detector (SPAD) arrays are a rapidly emerging technology. These multi-pixel sensors have single-photon sensitivities and pico-second temporal resolutions thus they can rapidly generate depth images with millimeter…

Image and Video Processing · Electrical Eng. & Systems 2022-10-12 Stirling Scholes , Germán Mora-Martín , Feng Zhu , Istvan Gyongy , Phil Soan , Jonathan Leach

Single-Photon Avalanche Diodes (SPAD) are affordable photodetectors, capable to collect extremely fast low-energy events, due to their single-photon sensibility. This makes them very suitable for time-of-flight-based range imaging systems,…

Instrumentation and Detectors · Physics 2017-03-09 Quercus Hernandez , Diego Gutierrez , Adrian Jarabo

Photonic quantum technologies promise a revolution of the world of information processing, from simulation and computing to communication and sensing, thanks to the many advantages of exploiting single photons as quantum information…

Instrumentation and Detectors · Physics 2021-10-11 Francesco Ceccarelli , Giulia Acconcia , Angelo Gulinatti , Massimo Ghioni , Ivan Rech , Roberto Osellame

We present a novel structured light technique that uses Single Photon Avalanche Diode (SPAD) arrays to enable 3D scanning at high-frame rates and low-light levels. This technique, called "Single-Photon Structured Light", works by sensing…

Computer Vision and Pattern Recognition · Computer Science 2022-04-12 Varun Sundar , Sizhuo Ma , Aswin C. Sankaranarayanan , Mohit Gupta

Temporal photon correlations have been a crucial resource for quantum and quantum-enabled optical science for over half a century. However, attaining non-classical information through these correlations has typically been limited to a…

Single photon detection is important for a wide range of low-light applications, including quantum information processing, spectroscopy, and light detection and ranging (LiDAR). A key challenge in these applications has been to integrate…

Single-photon avalanche diodes (SPADs) are an emerging technology with a unique capability of capturing individual photons with high timing precision. SPADs are being used in several active imaging systems (e.g., fluorescence lifetime…

Image and Video Processing · Electrical Eng. & Systems 2019-04-25 Atul Ingle , Andreas Velten , Mohit Gupta

Single-photon avalanche diode (SPAD) arrays have transformed optical imaging by enabling photon-counting sensitivity, picosecond resolution, and high frame-rate operation. These capabilities, however, have remained confined to the visible…

Single-photon avalanche diodes (SPADs) are a rapidly developing image sensing technology with extreme low-light sensitivity and picosecond timing resolution. These unique capabilities have enabled SPADs to be used in applications like…

Image and Video Processing · Electrical Eng. & Systems 2020-12-16 Trevor Seets , Atul Ingle , Martin Laurenzis , Andreas Velten

Single-photon avalanche diodes (SPADs) are advanced sensors capable of detecting individual photons and recording their arrival times with picosecond resolution using time-correlated Single-Photon Counting detection techniques. They are…

Image and Video Processing · Electrical Eng. & Systems 2024-12-13 Alice Ruget , Lewis Wilson , Jonathan Leach , Rachael Tobin , Aongus Mccarthy , Gerald S. Buller , Steve Mclaughlin , Abderrahim Halimi

Benefiting from its single-photon sensitivity, single-photon avalanche diode (SPAD) array has been widely applied in various fields such as fluorescence lifetime imaging and quantum computing. However, large-scale high-fidelity…

Single photon avalanche diode arrays can provide both the spatial and temporal information of each detected photon. We present here the characterization of entangled light with a sensor specifically designed for quantum imaging…

Integrated quantum photonics, which allows for the development and implementation of chip-scale devices, is recognized as a key enabling technology on the road towards scalable quantum networking schemes. However, many state-of-the-art…

Instrumentation and Detectors · Physics 2019-10-18 Salih Yanikgonul , Victor Leong , Jun Rong Ong , Ching Eng Png , Leonid Krivitsky

Single-photon cameras (SPCs) are emerging as sensors of choice for various challenging imaging applications. One class of SPCs based on the single-photon avalanche diode (SPAD) detects individual photons using an avalanche process; the raw…

Image and Video Processing · Electrical Eng. & Systems 2024-09-30 Lucas J. Koerner , Shantanu Gupta , Atul Ingle , Mohit Gupta

Achieving fast, sensitive, and parallel measurement of a large number of quantum particles is an essential task in building large-scale quantum platforms for different quantum information processing applications such as sensing,…

To date, most integrated quantum photonics experiments rely on single-photon detectors operating at cryogenic temperatures coupled to photonic integrated circuits (PICs) through single-mode optical fibers. This approach presents significant…

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