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Single-photon avalanche diode (SPAD) based transient imaging suffers from an aberration called pile-up. When multiple photons arrive within a single repetition period of the illuminating laser, the SPAD records only the arrival of the first…

Instrumentation and Detectors · Physics 2018-06-21 Adithya K. Pediredla , Aswin C. Sankaranarayanan , Mauro Buttafava , Alberto Tosi , Ashok Veeraraghavan

In this work we propose a microwave photon detector which successfully reaches 100% efficiency with only one absorber. Our design consists of a metastable quantum circuit coupled to a semi-infinite transmission line which performs highly…

Mesoscale and Nanoscale Physics · Physics 2012-03-22 B. Peropadre , G. Romero , G. Johansson , C. M. Wilson , E. Solano , J. J. García-Ripoll

Face Presentation Attack Detection (PAD) is an important measure to prevent spoof attacks for face biometric systems. Many works based on Convolution Neural Networks (CNNs) for face PAD formulate the problem as an image-level binary…

Computer Vision and Pattern Recognition · Computer Science 2022-03-15 Zuheng Ming , Zitong Yu , Musab Al-Ghadi , Muriel Visani , Muhammad MuzzamilLuqman , Jean-Christophe Burie

Dark photon is one of the promising candidates of light dark matter and could be detected by using its interaction with standard model particles via kinetic mixings. Here, we propose a feasible approach to detect the dark photons by…

Quantum Physics · Physics 2024-12-03 Suirong He , De He , Yufen Li , Li Gao , Xianing Feng , Hao Zheng , L. F. Wei

We investigate the Predictable Quantum Efficient Detector (PQED) in the visible and near-infrared wavelength range. The PQED consists of two n-type induced junction photodiodes with $Al_2O_3$ entrance window. Measurements are performed at…

We propose a simple implementation scheme of quantum delayed-choice experiment in linear optical system without initial entanglement resource. By choosing different detecting devices, one can selectively observe the photon's different…

Quantum Physics · Physics 2014-06-24 Qi Guo , Liu-Yong Cheng , Hong-Fu Wang , Shou Zhang

We demonstrate photon-counting single-pixel imaging in the ultraviolet region. Toward this target, we develop a high-performance compact single-photon detector based on a 4H-SiC single-photon avalanche diode (SPAD), where a tailored readout…

The hybrid photon-atom integrated circuits, which include photonic microcavities and trapped single neutral atom in their evanescent field, are of great potential for quantum information processing. In this platform, the atoms provide the…

We present a simple yet effective prediction module for a one-stage detector. The main process is conducted in a coarse-to-fine manner. First, the module roughly adjusts the default boxes to well capture the extent of target objects in an…

Computer Vision and Pattern Recognition · Computer Science 2019-07-31 Ho-Deok Jang , Sanghyun Woo , Philipp Benz , Jinsun Park , In So Kweon

Quantum technologies promise profound advances in communication security, sensing and computing. The underpinning hardware must be engineered to generate, manipulate and detect quantum phenomena with exceptional performance, whilst being…

Quantum Physics · Physics 2025-07-15 R. N. Clark , B. Puzio , O. M. Green , S. T. Pradyumna , O. Trojak , A. Politi , J. C. F. Matthews

A scheme for entangling distant atoms is realized, as proposed in the seminal paper by Cabrillo et al. [Phys. Rev. A 59, 1025 (1999)]. The protocol is based on quantum interference and detection of a single photon scattered from two…

Quantum Physics · Physics 2015-06-05 L. Slodička , G. Hétet , N. Röck , P. Schindler , M. Hennrich , R. Blatt

State transfer and photon detection are fundamental processes that have direct implications in fields such as quantum computing and photonic circuits. However, while naturally emitted photons decay exponentially in time, to perfectly…

Quantum Physics · Physics 2023-10-23 Asaf Farhi , Wei Dai , Seunghwi Kim , Andrea Alu , Douglas Stone

Single-photon light detection and ranging (LiDAR) is a key technology for depth imaging through complex environments. Despite recent advances, an open challenge is the ability to isolate the LiDAR signal from other spurious sources…

Quantum Physics · Physics 2021-05-18 Jiuxuan Zhao , Ashley Lyons , Arin Can Ulku , Hugo Defienne , Daniele Faccio , Edoardo Charbon

In the present ongoing study, we are proposing a prototype model for positron emission tomography detection technology by introduction of a new discriminatory window parameter. It can be a new generation PET detection technique. We…

Instrumentation and Detectors · Physics 2018-12-18 Sunil Kumar , Sushil Singh Chauhan , Vipin Bhatnagar

Single-photon detection is an invaluable tool for many applications ranging from basic research to consumer electronics. In this respect, the Single Photon Avalanche Diode (SPAD) plays a key role in enabling a broad diffusion of these…

Instrumentation and Detectors · Physics 2021-02-05 Angelo Gulinatti , Francesco Ceccarelli , Massimo Ghioni , Ivan Rech

Fluorescence collection sets the efficiency of state detection and the rate of entanglement generation between remote trapped ion qubits. Despite efforts to improve light collection using various optical elements, solid angle capture is…

Quantum Physics · Physics 2013-02-19 Amira M. Eltony , Shannon X. Wang , Gleb M. Akselrod , Peter F. Herskind , Isaac L. Chuang

Incom Inc. Large Area Picosecond Photodetector (LAPPD) 38 has been tested at Jefferson Lab to identify single-photoelectron signals to assess the potential of this type of device for future applications in Cherenkov light detection.…

Instrumentation and Detectors · Physics 2021-09-01 S. P. Malace , S. Wood

Imaging Hybrid Photon Detectors (HPD) have been developed for integration in large area Cherenkov detectors for high energy physics and astrophysics. The presented designs - developed particularly for the experiments MAGIC, LHCb and…

Instrumentation and Detectors · Physics 2010-11-11 Daniel Ferenc

A backside-illuminated (BSI) near-infrared enhanced silicon single-photon avalanche diode (SPAD) for time-of-flight (ToF) light detection and ranging applications is presented. The detector contains a 2 $\mu$m wide multiplication region…

Instrumentation and Detectors · Physics 2022-03-04 Edward Van Sieleghem , Gauri Karve , Koen De Munck , Andrea Vinci , Celso Cavaco , Andreas Süss , Chris Van Hoof , Jiwon Lee

Existing Charge-Coupled Devices (CCDs) operate by detecting either the electrons or holes created in an ionization event. We propose a new type of imager, the Dual-Sided CCD, which collects and measures both charge carriers on opposite…