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Single-photon detectors (SPDs) are widely used in applications requiring extremely weak light detection. In the near-infrared region, SPDs based on InGaAs/InP single-photon avalanche diodes (SPADs) are the primary candidates for practical…

Instrumentation and Detectors · Physics 2025-03-07 Chao Yu , Qi Xu , Jun Zhang

Image sensors with nondestructive charge readout provide single-photon or single-electron sensitivity, but at the cost of long readout times. We present a smart readout technique to allow the use of these sensors in visible-light and other…

Instrumentation and Methods for Astrophysics · Physics 2021-12-15 Fernando Chierchie , Guillermo Fernandez Moroni , Leandro Stefanazzi , Eduardo Paolini , Javier Tiffenberg , Juan Estrada , Gustavo Cancelo , and Sho Uemura

To measure light emission pattern in scintillator, higher sensitivity and faster response are required to photo detector. Such as single photon avalanche diode (SPAD), conventional pixelated photo detector is operated at Geiger avalanche…

Scintillating fibre detectors combine sub-mm resolution particle tracking, precise measurements of the particle stopping power and sub-ns time resolution. Typically, fibres are read out with silicon photomultipliers (SiPM). Hence, if fibres…

Gated InGaAs/InP avalanche photodiodes are the most practical device for detection of telecom single photons arriving at regular intervals.Here, we report the development of a compact single-photon detector (SPD) module measured just 8.8cm…

Instrumentation and Detectors · Physics 2024-01-08 Yan Zhengyu , Shi Tingting , Fan Yuanbin , Zhou Lai , Yuan Zhiliang

We characterize a new commercial, back-illuminated reach-through silicon single-photon avalanche photo diode (SPAD) SAP500 (Laser Components. Inc.), operated in Geiger-mode for purpose of photon counting. We show that for this sensor a…

Instrumentation and Detectors · Physics 2013-11-12 Mario Stipčević , Daqing Wang , Rupert Ursin

Single-photon avalanche detectors (SPADs) have enabled various applications in emerging photonic quantum information technologies in recent years. However, despite many efforts to improve SPAD's performance, the design of SPADs remained…

Applied Physics · Physics 2025-02-27 Boyang Zhang , Zhe Li , Zhongju Wang , Yang Yu , Hark Hoe Tan , Chennupati Jagadish , Daoyi Dong , Lan Fu

We present a practical and easy-to-implement method for high-speed near infrared single-photon detection based on InGaAs/InP single-photon avalanche photodiodes (SPADs), combining aspects of both sine gating and self-differencing…

Quantum Physics · Physics 2009-09-04 Jun Zhang , Rob Thew , Claudio Barreiro , Hugo Zbinden

Single-photon avalanche diodes (SPADs) have emerged as a promising candidate for optical wireless communication (OWC) owing to their ultra-high sensitivity and singlephoton detection capability. However, under strong background radiation or…

Signal Processing · Electrical Eng. & Systems 2026-05-28 Chen Wang , Zhiyong Xu , Jingyuan Wang , Jianhua Li , Weifeng Mou , Huatao Zhu

Since their inception, superconducting nanowire single-photon detectors have been enabling quantum optical applications and the rise of the photonic quantum industry. The evolution in the detector design and read-out strategies has led to…

Quantum Physics · Physics 2024-12-19 Lorenzo Stasi , Towsif Taher , Giovanni V. Resta , Hugo Zbinden , Rob Thew , Félix Bussières

Free-running InGaAs/InP single-photon detectors (SPDs) based on negative-feedback avalanche diodes (NFADs) are the key components for applications requiring asynchronous single-photon detection in the near-infrared region. From the…

Instrumentation and Detectors · Physics 2024-02-20 Qi Xu , Chao Yu , Wei Chen , Jianglin Zhao , Dajian Cui , Jun Zhang , Jian-Wei Pan

High-frequency gating InGaAs/InP single-photon detectors (SPDs) are widely used for applications requiring single-photon detection in the near-infrared region such as quantum key distribution. Reducing SPD size is highly desired for…

Instrumentation and Detectors · Physics 2018-12-06 Wen-Hao Jiang , Xin-Jiang Gao , Yu-Qiang Fang , Jian-Hong Liu , Yong Zhou , Li-Qun Jiang , Wei Chen , Ge Jin , Jun Zhang , Jian-Wei Pan

A readout electronic with high time and energy resolution performance is designed for the SDD (Silicon Drift Detector) signals readout, which is aimed for X-ray pulsar based navigation (XNAV). For time measurement, the input signal is fed…

Instrumentation and Detectors · Physics 2016-03-10 Er-Lei Chen , Chang-Qing Feng , Chun-Feng Ye , Shu-Bin Liu , Dong-Dong Jin , Jian Lian , Hui-Jun Hu

CMOS-compatible single-photon avalanche diodes (SPADs) have emerged in many systems as the solution of choice for cameras with photon-number resolution and photon counting capabilities. Being natively digital optical interfaces, SPADs are…

Image and Video Processing · Electrical Eng. & Systems 2025-11-25 Tommaso Milanese , Baris Can Efe , Claudio Bruschini , Nobukazu Teranishi , Edoardo Charbon

Single-photon detectors based on avalanche photodiodes (SPAD) are key elements of many modern highly sensitive optical systems. One of the bottlenecks of such detectors is a afterpulsing effect which limits a detection rate and requires an…

Quantum Physics · Physics 2018-05-23 M. A. Smirnov , N. S. Perminov , R. R. Nigmatullin , A. A. Talipov , S. A. Moiseev

InGaAs/InP single-photon avalanche diodes (SPADs) are widely used in practical applications requiring near-infrared photon counting such as quantum key distribution (QKD). Photon detection efficiency and dark count rate are the intrinsic…

Quantum Physics · Physics 2016-09-14 Jian Ma , Bing Bai , Liu-Jun Wang , Cun-Zhu Tong , Ge Jin , Jun Zhang , Jian-Wei Pan

We demonstrate an approach to two-dimensional electronic spectroscopy (2DES) that combines the benefits of shot-to-shot detection at high-repetition rates with the simplicity of a broadband white light continuum input and conventional…

Optics · Physics 2023-10-03 Asha S. Thomas , Vivek N. Bhat , Vivek Tiwari

Superconducting nanowire single-photon detectors (SNSPDs) are the current leading technology for the detection of single-photons in the near-infrared (NIR) and short-wave infrared (SWIR) spectral regions, due to record performance in terms…

The Position-Sensitive Detector (PSD) for photometrical and spectral observation on the 6-meter optical telescope of the Special Astrophysical Observatory (Russia) is described. The PSD consists of a position-sensitive tube, amplifiers of…

Astrophysics · Physics 2015-06-24 V. Debur , T. Arkhipova , G. Beskin , V. Plokhotnichenko , M. Pakhomov , M. Smirnova , A. Solin

This paper describes the data acquisition and trigger system of the Thin Time-of-flight PET (TT-PET) scanner. The system is designed to read out in the order of 1000 pixel sensors used in the scanner and to provide a reference timing signal…

Instrumentation and Detectors · Physics 2018-12-11 Y. Bandi , Y. Favre , D. Ferrere , D. Forshaw , R. Hanni , D. Hayakawa , G. Iacobucci , P. Lutz , A. Miucci , L. Paolozzi , E. Ripiccini , C. Tognina , P. Valerio , M. Weber