Results 21 to 30 of about 738,419 (256)

Analysis of detector performance in a gigahertz clock rate quantum key distribution system [PDF]

, 2011
We present a detailed analysis of a gigahertz clock rate environmentally robust phase-encoded quantum key distribution (QKD) system utilizing several different single-photon detectors, including the first implementation of an experimental resonant cavity
Mikio Fujiwara, R. H. Hadfield, Townsend, Paul D., Shigehito Miki, Wang, Zhen, C. M. Natarajan, GHIONI, MASSIMO ANTONIO, Collins, R.J., Garcia-Martinez, Maria-Jose, M. Fujiwara, Robert J Collins, M. Sasaki, Tanner, Michael G.; id_orcid, Patrick J Clarke, Sasaki, M., Wang, Z., R. J. Collins, Chandra M Natarajan, Buller, Gerald S., N. J. Krichel, O'Connor, John A., Gerald S Buller, María-José García-Martínez, García-Martínez, M.-J., Masahide Sasaki, Fujiwara, M., Krichel, N.J., Tanner, M.G., G. S. Buller, Nils J Krichel, Ivan Rech, Hadfield, Robert H., Rech, Ivan, Ghioni, M., Aongus McCarthy, Natarajan, C.M., Rech, I., P. A. Hiskett, Gulinatti, Angelo, Collins, Robert J., Townsend, P., Robert H Hadfield, M. García Martínez, A. McCarthy, P. J. Clarke, Miki, Shigehito, Massimo Ghioni, Angelo Gulinatti, Gulinatti, A., Paul D Townsend, Miki, S., Zhen Wang, S. Miki, Buller, G.S., Hiskett, P.A., Hiskett, Philip A., Fujiwara, Mikio, M. G. Tanner, Hadfield, R., McCarthy, A., John A O'Connor, Natarajan, Chandra M., Michael G Tanner, O'Connor, J.A., Philip A Hiskett, McCarthy, Aongus, Ghioni, Massimo, Z. Wang, P. D. Townsend, Krichel, Nils J., J. A. O'Connor, Clarke, P.J., Clarke, Patrick J., Sasaki, Masahide   +73 more
core   +1 more source

Subcentimeter depth resolution using a single-photon counting time-of-flight laser ranging system at 1550 nm wavelength [PDF]

, 2007
We demonstrate subcentimeter depth profiling at a stand off distance of 330m using a time-of-flight approach based on time-correlated single-photon counting.
Nam, Sae Woo, Hernandez-Marin, Sergio, Wallace, A.M., Warburton, R.E., McCarthy, Aongus, Nam, S.W., Buller, G.S., Wallace, Andrew M., Warburton, Ryan E., Hadfield, Robert H., Hernandez-Marin, S., Hadfield, R., McCarthy, A., Buller, Gerald S.   +13 more
core   +1 more source

Inclusion of a GaAs detector model in the Photon Counting Toolkit software for the study of breast imaging systems

PLoS ONE, 2023
We present an upgraded version of the Photon Counting Toolkit (PcTK), a freely available by request MATLAB tool for the simulation of semiconductor-based photon counting detectors (PCD), which has been extended and validated to account for gallium ...
Bahaa Ghammraoui, Katsuyuki Taguchi, Stephen J. Glick   +2 more
doaj   +3 more sources

Pulse pileup model for spectral resolved X-ray photon-counting detectors with dead time and retrigger capability

Frontiers in Physics, 2023
We developed an analytical model to evaluate the effect of signal pileup on the recorded energy spectrum in X-ray photon-counting detectors affected by dead time and equipped with retrigger capability.
P. Zambon, C. Amato
doaj   +1 more source

Precision scans of the pixel cell response of double sided 3D pixel detectors to pion and x-ray beams [PDF]

, 2011
hree-dimensional (3D) silicon sensors offer potential advantages over standard planar sensors for radiation hardness in future high energy physics experiments and reduced charge-sharing for X-ray applications, but may introduce inefficiencies due to the ...
Akiba, K., Gimenez, E N, Pellegrini, G., D Pennicard, R Plackett, Marchal, J., Bates, R, K Akiba, V V Gligorov, N Tartoni, John, M., C Fleta, Tlustos, L, Lozano, M., K J S Sawhney, Parkes, C.; id_orcid, Nicol, M, Alianelli, L., R Bates, Pennicard, D., Campbell, M, Alianelli, L, D Maneuski, Fleta, C., Pellegrini, G, Gimenez, N., M Gersabeck, Dumps, R., J Buytaert, E N Gimenez, M John, Buytaert, J, Lozano, M, Marchal, J, Pennicard, D, Gallas, A, Plackett, R, M Nicol, L Eklund, Stewart, G, C Parkes, Rodrigues, E, Gallas, A., Dumps, R, Gligorov, V., L Tlustos, M Crossley, Bates, R., Fleta, C, Gimenez, EN, Sawhney, KJS, Parkes, C, Mac Raighne, A, Plackett, R., J Marchal, Nicol, M., Rodrigues, E., Gimenez, E.N., Akiba, K, Stewart, G., L Alianelli, Tlustos, L., Maneuski, D., Gersabeck, M, Collins, P., John, M, Campbell, M., Gligorov, VV, M van Beuzekom, Sawhney, K J S, Tartoni, N, Crossley, M, Crossley, M., M Campbell, Llopart, X., Gersabeck, M., G Stewart, Tartoni, N., P Collins, G Pellegrini, Collins, P, A Gallas, van Beuzekom, M., E Rodrigues, Parkes, C., X Llopart, R Dumps, Eklund, L, Sawhney, K.J.S., Llopart, X, MacRaighne, A., Mac Raighne, A., Gligorov, V.V., Maneuski, D, A Mac Raighne, Eklund, L., Gligorov, V V, M Lozano, Sawhney, S., van Beuzekom, M, Buytaert, J.   +100 more
core   +1 more source

A Compact High-Speed Active Quenching and Recharging Circuit for SPAD Detectors

IEEE Photonics Journal, 2020
A compact high-speed active quenching and recharging circuit (AQRC) is proposed for single-photon avalanche diode (SPAD) detectors fabricated in standard 0.18 μm CMOS technology.
Yue Xu, Jiyuan Lu, Zhong Wu
doaj   +1 more source

Single-Photon and Photon-Number-Resolving Detectors

IEEE Photonics Journal, 2012
Several important advances were reported in single-photon detectors and photon-number-resolving detectors in 2011. New materials with smaller superconducting gaps were demonstrated for superconducting nanowire single-photon detectors (SNSPDs) that led to
R. P. Mirin, S. W. Nam, M. A. Itzler
doaj   +1 more source

Single Photon Counting UV Solar-Blind Detectors Using Silicon and III-Nitride Materials

Sensors, 2016
Ultraviolet (UV) studies in astronomy, cosmology, planetary studies, biological and medical applications often require precision detection of faint objects and in many cases require photon-counting detection.
Shouleh Nikzad, Michael Hoenk, April D. Jewell, John J. Hennessy, Alexander G. Carver, Todd J. Jones, Timothy M. Goodsall, Erika T. Hamden, Puneet Suvarna, J. Bulmer, F. Shahedipour-Sandvik, Edoardo Charbon, Preethi Padmanabhan, Bruce Hancock, L. Douglas Bell   +14 more
doaj   +1 more source

Single-photon counting detectors for diffraction-limited light sources

Frontiers in Physics
When first introduced, single-photon counting detectors reshaped crystallography at synchrotrons. Their fast readout speed enabled, for example, shutter-less data collection and fine slicing of the rotation angle and boosted the development of new ...
Erik Fröjdh, Anna Bergamaschi, Bernd Schmitt   +2 more
doaj   +1 more source

On-chip coherent detection with quantum limited sensitivity

Scientific Reports, 2017
While single photon detectors provide superior intensity sensitivity, spectral resolution is usually lost after the detection event. Yet for applications in low signal infrared spectroscopy recovering information about the photon’s frequency ...
Vadim Kovalyuk, Simone Ferrari, Oliver Kahl, Alexander Semenov, Michael Shcherbatenko, Yury Lobanov, Roman Ozhegov, Alexander Korneev, Nataliya Kaurova, Boris Voronov, Wolfram Pernice, Gregory Gol’tsman   +11 more
doaj   +1 more source