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A prototype of a position sensitive photo-detector with 5.6 x 5.6 cm2 detection area readout with 64 Hamamatsu MPPCs (S10931-100P) with 3 x 3 mm2 active area each has been built and tested. The photo-sensors are arranged in a 8 x 8 array…

Instrumentation and Detectors · Physics 2015-06-03 L. Gruber , G. S. M. Ahmed , S. E. Brunner , P. Bühler , J. Marton , K. Suzuki

We shortly describe recent progress in photon detectors combining bi-alkali photocathodes and cascaded patterned gas-avalanche electron multipliers. It permitted the development and the first feasibility demonstration of high-gain gaseous…

Instrumentation and Detectors · Physics 2009-07-23 A. Lyashenko , A. Breskin , R. Chechik , F. D. Amaro , J. Veloso , J. M. F. Dos Santos

We propose a scheme for infrared single-photon detection based on two-photon absorption at room-temperature in Si avalanche photodiodes, where the detected photon's energy is lower than the bandgap and the energy difference is complemented…

Materials Science · Physics 2008-02-14 Alex Hayat , Pavel Ginzburg , Meir Orenstein

We have made a single-photon detector that relies on photoconductive gain in a narrow electron channel in an AlGaAs/GaAs 2-dimensional electron gas. Given that the electron channel is 1-dimensional, the photo-induced conductance has…

In the last years, optical readout of Micromegas gaseous detectors has been achieved by implementing a Micromegas detector on a glass anode coupled to a CMOS camera. Effective X-ray radiography was demonstrated using integrated imaging…

We consider the free carrier dispersion effect in a semiconductor nanocavity in the limit of discrete photoexcited electron-hole pairs. This analysis reveals the possibility of ultrafast, incoherent transduction and gain from a single…

Hybrid pixel single-photon-counting detectors have been successfully employed and widely used in Synchrotron radiation X-ray detection. In this paper, the silicon pixel sensors for single X-ray photon detection, which operate in…

Instrumentation and Detectors · Physics 2016-08-03 Zhen-Jie Li , Yun-Cong Jia , Ling-Fei Hu , Peng Liu , Hua-Xiang Yin

We describe the most recent efforts made by various groups in implementing resistive electrodes in micropattern gaseous detectors with the aim to combine in the same design the best features of RPCs (for the example, their robustness and…

Instrumentation and Detectors · Physics 2015-05-18 P. Fonte , P. Martinengo , E. Nappi , R. Oliveira , V. Peskov , F. Pietropaolo , P. Picchi

We consider the use of single-photon counting detectors in coherence-domain imaging. Detectors operated in this mode exhibit reduced noise, which leads to increased sensitivity for weak light sources and weakly reflecting samples. In…

We present a superconducting cavity-coupled double quantum dot (DQD) photodiode that achieves a maximum photon-to-electron conversion efficiency of 25% in the microwave domain. With a higher-quality-factor cavity and improved device design…

In quantum illumination, various detection schemes have been proposed for harnessing remaining quantum correlations of the entanglement-based resource state. To this date, the only successful implementation in the microwave domain relies on…

Quantum Physics · Physics 2024-01-09 F. Kronowetter , M. Würth , W. Utschick , R. Gross , K. G. Fedorov

The development of many optical quantum technologies depends on the availability of solid-state single quantum emitters with near-perfect optical coherence. However, a standing issue that limits systematic improvement is the significant…

In some experiments and applications there is need for large-area photosensitive detectors to operate at cryogenic temperatures. Nowadays, vacuum PMs are usually used for this purpose. We have developed special designs of planar…

Instrumentation and Detectors · Physics 2009-11-11 L. Periale , V. Peskov , C. Iacobaeus , B. Lund-Jensen , P. Pavlopoulos , P. Picchi , F. Pietropaolo

Preliminary results of a photon detector combining a Micromegas like multiplier coated with a UV-sensitive CsI photocathode are described. The multiplier is made in a CMOS compatible InGrid technology, which allows to post-process it…

Instrumentation and Detectors · Physics 2015-05-18 Joost Melai , Alexey Lyashenko , Amos Breskin , Harry van der Graaf , Jan Timmermans , Jan Visschers , Cora Salm , Jurriaan Schmitz

During the last decades, multi-pixel detectors have been developed capable of registering single photons. The newly developed Hybrid Photon Detector camera has a remarkable property that it has not only spatial but also temporal resolution.…

We present the experimental demonstration of a superconducting photon number resolving detector. It is based on the series connection of N superconducting nanowires, each connected in parallel to an integrated resistor. The device provides…

Instrumentation and Detectors · Physics 2015-06-04 Saeedeh Jahanmirinejad , Giulia Frucci , Francesco Mattioli , Dondu Sahin , Alessandro Gaggero , Roberto Leoni , Andrea Fiore

We present a 'digital SiPM' photo-detection chip combining single photon sensitive avalanche photo diodes and CMOS readout electronics on a single die. The chip has a size of $8046\times9032\,\mu m^2$ with $72.5\%$ of photo sensitive area.…

Instrumentation and Detectors · Physics 2025-01-27 Peter Fischer , Michael Keller , Michael Ritzert

Silicon single-photon detectors (Si SPDs) play a crucial role in detecting single photons in the visible spectrum. For various applications, photon detection efficiency (PDE) is the most critical characteristic for effectively collecting…

Single atom imaging requires discrimination of weak photon count events above background and has typically been performed using either EMCCD cameras, photomultiplier tubes or single photon counting modules. sCMOS provides a cost effective…

Atomic Physics · Physics 2018-03-26 C. J. Picken , R. Legaie , J. D. Pritchard

Single-photon detectors are widely used in modern quantum optics experiments and applications. Like all detectors, it is important for these devices to be accurately calibrated. A single-photon detector is calibrated by determining its…