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A photon-number-resolving detector based on a four-element superconducting nanowire single photon detector is demonstrated to have sub-30-ps resolution in measuring the arrival time of individual photons. This detector can be used to…

The implementation of a monolithic fiber-optically coupled CMOS-based TemCam-XF416 camera into our ultra-high vacuum (UHV) ultrafast reflection high-energy electron diffraction setup is reported. A combination of a pumpable gate valve and a…

Mesoscale and Nanoscale Physics · Physics 2024-11-20 Jonas D. Fortmann , Alexander Kaßen , Christian Brand , Thomas Duden , Michael Horn-von Hoegen

The future interconnect links in intra- and inter-chip require the photodetector with high bandwidth, ultra-wide waveband, compact footprint, low-cost, and compatible integration process with silicon complementary metal-oxide-semiconductor…

Optics · Physics 2023-03-16 Weifeng Wu , Fan Yang , Xiansong Fang , Xiang Cai , Xiaohui Liu , Fan Zhang , Sheng Wang

The dynamic range of photon counting micro-channel-plate (MCP) intensified charged-coupled device (CCD) instruments such as the Swift Ultraviolet/Optical Telescope (UVOT) and the XMM-Newton Optical Monitor (XMM-OM) is limited at the bright…

Photonic technologies lack non-invasive monitoring tools to inspect the light inside optical waveguides. This is one of the main barriers to large scale of integration, even though photonic platforms are potentially ready to host several…

We present a novel single-photon detector based on a vacuum tube incorporating a photocathode, a microchannel plate (MCP), and a Timepix4 CMOS ASIC functioning as a pixelated anode. Designed to handle photon rates up to 1 billion per second…

X-ray detectors made of crystalline silicon have several advantages including low dark currents, fast charge collection and high energy resolution. For high-energy x-rays, however, silicon suffers from its low atomic number, which might…

Instrumentation and Detectors · Physics 2021-01-26 Moa Yveborg , Cheng Xu , Erik Fredenberg , Mats Danielsson

Event-based imaging is a neurmorphic detection technique whereby an array of pixels detects a positive or negative change in light intensity at each pixel, and is hence particularly well suited to detecting motion. As compared to standard…

Instrumentation and Detectors · Physics 2022-09-16 Yugang Ren , Enrique Benedetto , Harry Borrill , Yelizaveta Savchuk , Molly Message , Katie O'Flynn , Muddassar Rashid , James Millen

Illumination using correlated photon sources has been established as an approach to allowing high-fidelity images to be reconstructed from noisy camera frames by taking advantage of the knowledge that signal photons are spatially correlated…

Recording of transient absorption microscopy images requires fast detection of minute optical density changes, which is typically achieved with high-repetition-rate laser sources and lock-in detection. Here, we present a highly flexible and…

Single photon detectors are key for time-correlated photon counting applications [1] and enable a host of emerging optical quantum information technologies [2]. So far, the leading approach for continuous and efficient single-photon…

Mesoscale and Nanoscale Physics · Physics 2022-01-04 Waqar Khan , Patrick P. Potts , Sebastian Lehmann , Claes Thelander , Kimberly A. Dick , Peter Samuelsson , Ville F. Maisi

Photon counting is a cornerstone of quantum optics. Here, we demonstrate precisely counting from 0 to over 9000 photons, beating the Poisson noise limit by at least $4.1~\mathrm{dB}$ across this range. We achieve sub-single-photon precision…

Magnetic Bright Points (MBPs) in the internetwork are among the smallest objects in the solar photosphere and appear bright against the ambient environment. An algorithm is presented that can be used for the automated detection of the MBPs…

Solar and Stellar Astrophysics · Physics 2015-05-13 P. J. Crockett , D. B. Jess , M. Mathioudakis , F. P. Keenan

In many applications, such as the detection of ultra-high energy cosmic rays using the air fluorescence method, the number of photons incident on the detector must be known. This requires a precise knowledge of the absolute efficiency of…

Instrumentation and Detectors · Physics 2015-06-22 Carl Blaksley , Philippe Gorodetzky

An innovative X-ray imaging sensor with intrinsic digital characteristics is presented. It is based on Chromatic Photon Counting technology. The detector is able to count individually the incident X-ray photons and to separate them…

Instrumentation and Detectors · Physics 2015-06-11 R. Bellazzini , G. Spandre , A. Brez , M. Minuti , M. Pinchera , P. Mozzo

Despite the technological advancements in the construction and surveying sector, the inspection of salient features like windows in an under-construction or existing building is predominantly a manual process. Moreover, the number of…

Computer Vision and Pattern Recognition · Computer Science 2023-11-27 Dhruv Patel , Shivani Chepuri , Sarvesh Thakur , K. Harikumar , Ravi Kiran S. , K. Madhava Krishna

A highly sensitive photodetection system with a detection limit of 1 photon/s was developed. This system uses a commercially available 200-mm-diameter silicon avalanche photodiode (APD) and an in-house-developed ultralow-noise readout…

Quantum Physics · Physics 2009-11-11 Makoto Akiba , Mikio Fujiwara , Masahide Sasaki

Machine vision applications are low cost and high precision measurement systems which are frequently used in production lines. With these systems that provide contactless control and measurement, production facilities are able to reach high…

Computer Vision and Pattern Recognition · Computer Science 2018-02-19 Mehmet Baygin , Mehmet Karakose , Alisan Sarimaden , Erhan Akin

The ABALONE is a new type of photosensor produced by PhotonLab, Inc. with cost effective mass production, robustness and high performance. This modern technology provides sensitivity to visible and UV light, exceptional radio-purity and…

Instrumentation and Detectors · Physics 2022-01-20 V. D'Andrea , R. Biondi , C. Ferrari , A. D. Ferella , J. Mahlstedt , G. Pieramico

In this work a quantum imaging setup based on undetected squeezed photons is employed for metrological applications such as sensitive phase measurement and quantum imaging. In spite of the traditional quantum imaging with undetected…

Quantum Physics · Physics 2025-06-10 S. Samimi , Z. Ghasemi , H. Mohammadi
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