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Related papers: Analysis of On-Orbit ACIS Squeegee Mode Data on Ch…

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This work presents the 8-channel FastIC+, a low-power consumption and highly configurable multi-channel front-end ASIC with internal digitization, for the readout of photo-sensors with picosecond time resolution and intrinsic gain. This…

Squeezed-light generation in photonic integrated circuits (PICs) is essential for scalable continuous-variable (CV) quantum information processing. By suppressing quantum fluctuations below the shot-noise limit, squeezed states enable…

Quantum Physics · Physics 2025-09-15 Shuai Liu , Kailu Zhou , Yuheng Zhang , Abdulkarim Hariri , Nicholas Reynolds , Bo-Han Wu , Zheshen Zhang

Scattering induced mode splitting in active microcavities is demonstrated. Below the lasing threshold, quality factor enhancement by optical gain allows resolving, in the wavelength-scanning transmission spectrum, the resonance dips of the…

Optics · Physics 2010-11-19 Lina He , Sahin Kaya Ozdemir , Jiangang Zhu , Lan Yang

The Large High Altitude Air Shower Observatory is in the R&D phase, in which the Water Cherenkov Detector Array is an important part. The signals of Photo-Multiplier Tubes would vary from single photo electron to 4000 photo electrons, and…

Instrumentation and Detectors · Physics 2019-07-09 Lei Zhao , Weihao Wu , Jianfeng Liu , Yu Liang , Jiajun Qin , Li Yu , Shubin Liu , Qi An

Future space observatories achieve detection of gravitational waves by interferometric measurements of a carrier phase, allowing to determine relative distance changes, in combination with an absolute distance measurement based on the…

Instrumentation and Methods for Astrophysics · Physics 2024-01-15 Philipp Euringer , Gerald Hechenblaikner , Francis Soualle , Walter Fichter

In recent years, detectors with sub-electron readout noise have been used very effectively in astronomical adaptive optics systems. Here, we compare readout noise models for the two key faint flux level detector technologies that are…

Instrumentation and Methods for Astrophysics · Physics 2015-06-29 Alastair Basden

The European Space Agency's Gaia satellite was launched into orbit around L2 in December 2013 with a payload containing 106 large-format scientific CCDs. The primary goal of the mission is to repeatedly obtain high-precision astrometric and…

Purpose: Developing photon-counting CT detectors requires understanding the impact of parameters such as converter material, absorption length and pixel size. We apply a novel linear-systems framework, incorporating spatial and energy…

Medical Physics · Physics 2020-03-03 Mats Persson , Adam Wang , Norbert J. Pelc

In this letter, we consider the problem of energy detection of unknown signals in an intervehicular communication (IVC) system over n*Rayleigh fading channels (also known as cascaded Rayleigh). Novel tight approximations for the probability…

Information Theory · Computer Science 2016-11-08 Yahia Alghorani , Georges Kaddoum , Sami Muhaidat , Samuel Pierre

A novel graphene-optimized silicon carbide PIN detector was fabricated. Its electrical properties, charge collection performance and signal rise time were evaluated under non-irradiated conditions and under X-ray irradiation with an energy…

Instrumentation and Detectors · Physics 2026-05-07 Yingjie Huang , Congcong Wang , Jingxuan He , Yi Zhan , Zhenyu Jiang , Xiyuan Zhang , Xin Shi

The Channel Quality Indicator (CQI) is a fundamental component of channel state information (CSI) that enables adaptive modulation and coding by selecting the optimal modulation and coding scheme to meet a target block error rate. While…

Signal Processing · Electrical Eng. & Systems 2025-12-23 Chengyong Jiang , Jiajia Guo , Yuqing Hua , Chao-Kai Wen , Shi Jin

Accurate readout of low-power optical higher-order spatial modes is of increasing importance to the precision metrology community. Mode sensors are used to prevent mode mismatches from degrading quantum and thermal noise mitigation…

Instrumentation and Detectors · Physics 2020-04-09 A. W. Jones , M. Wang , C. M. Mow-Lowry , A. Freise

We demonstrate the post-induction of high-quality microcavity on silicon photonic crystal (PC) waveguide by integrating few-layer GaSe crystal, which promises highly efficient on-chip optical frequency conversions. The integration of GaSe…

We report here the in orbit performance of the CCD camera (MAXI/SSC) onboard the International Space Station (ISS). It was commissioned in August, 2009. This is the first all-sky survey mission employing X-ray CCDs. It consists of 32 CCDs…

Instrumentation and Methods for Astrophysics · Physics 2015-05-27 Hiroshi Tsunemi , Hiroshi Tomida , Haruyoshi Katayama , Masashi Kimura , Arata Daikyuji , Kazuhisa Miyaguchi , Kentaro Maeda

Current video-based computer vision (CV) applications typically suffer from high energy consumption due to reading and processing all pixels in a frame, regardless of their significance. While previous works have attempted to reduce this…

Computer Vision and Pattern Recognition · Computer Science 2024-09-27 Md Abdullah-Al Kaiser , Sreetama Sarkar , Peter A. Beerel , Akhilesh R. Jaiswal , Gourav Datta

In order to evaluate the charge collection efficiency (CCE) profile of single-crystal diamond devices based on a p type/intrinsic/metal configuration, a lateral Ion Beam Induced Charge (IBIC) analysis was performed over their cleaved cross…

Instrumentation and Detectors · Physics 2016-08-30 A. Lo Giudice , P. Olivero , C. Manfredotti , M. Marinelli , E. Milani , F. Picollo , G. Prestopino , A. Re , V. Rigato , C. Verona , G. Verona-Rinati , E. Vittone

Major advances in silicon pixel detectors, with outstanding timing performance, have recently attracted significant attention in the community. In this work we present and discuss the use of state-of-the-art Geiger-mode APDs, also known as…

The upcoming launch of the first space based X-ray polarimeter in $\sim 40$ years will provide powerful new diagnostic information to study accreting compact objects. In particular, analysis of rapid variability of the polarisation degree…

High Energy Astrophysical Phenomena · Physics 2017-08-30 Adam Ingram , Tom Maccarone

After launch, the Advanced CCD Imaging Spectrometer (ACIS), a focal plane instrument on the Chandra X-ray Observatory, suffered radiation damage from exposure to soft protons during passages through the Earth's radiation belts. An effect of…

Astrophysics · Physics 2009-11-13 C. E. Grant , B. LaMarr , G. Y. Prigozhin , S. E. Kissel , S. K. Brown , M. W. Bautz

Squeezed states of light are used for precision metrology and quantum-enhanced measurements, with applications spanning communication and sensing. State-of-the-art squeezed-light sources typically rely on optical cavities to achieve high,…

Optics · Physics 2026-03-30 Erik Anders Torsten Svanberg , Daniel Voigt , Vaishali Adya
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