Results 91 to 100 of about 5,255,782 (210)

A Single-Photon Avalanche Diode Imager for Fluorescence Lifetime Applications [PDF]

, 2007
A 64-by-64-pixel CMOS single-photon avalanche diode (SPAD) imager for time-resolved fluorescence detection features actively quenched and reset pixels, allowing gated detection to eliminate pile-up nonlinearities common to most time-correlated single ...
Shepard, Kenneth L., David Eric Schwartz, Edoardo Charbon, K. L. Shepard, Schwartz, David E., Charbon, Edoardo   +5 more
core   +2 more sources

Switchable Dual Emission of Luminescent Metal–Organic Framework@Nanoparticle Composites of EuBDC and ZrO‐Containing Hybrid Materials

European Journal of Inorganic Chemistry, Volume 29, Issue 26, 16 September 2026.
Luminescent metal–organic framework@nanoparticle composites show dual emission of both components EuBDC and zirconyl‐containing nanoparticles, being reversible, excitation energy‐dependent and solvatochromic switches. The chromaticity changes are fast, as no chemical transformation is involved and required as source of the dual emission.
Tobias Wehner, Joachim G. Heck, Claus Feldmann, Klaus Müller‐Buschbaum   +3 more
wiley   +1 more source

Simulation-Based Design of a Silicon SPAD with Dead-Space-Aware Avalanche Region for Picosecond-Resolved Detection

Sensors
This study presents a simulation-based design of a silicon single-photon avalanche diode (SPAD) optimized for picosecond-resolved photon detection. Utilizing COMSOL Multiphysics, we implement a dead-space-aware impact ionization model to accurately ...
Meng-Jey Youh, Hsin-Liang Chen, Nen-Wen Pu, Mei-Lin Liu, Yu-Pin Chou, Wen-Ken Li, Yi-Ping Chou   +6 more
doaj   +1 more source

Stimulated Secondary Emission of Single-Photon Avalanche Diodes

IEEE Transactions on Electron Devices
16 pages, 14 ...
Kurtis Raymond, Fabrice Retière, Harry Lewis, Andrea Capra, Duncan McCarthy, Austin de St Croix, Giacomo Gallina, Joe McLaughlin, Juliette Martin, Nicolas Massacret, Paolo Agnes, Ryan Underwood, Seraphim Koulosousas, Peter Margetak   +13 more
openaire   +2 more sources

Ultrahigh speed all-optical demultiplexing based on two-photon absorption in a laser diode [PDF]

, 1998
The authors describe how the nonlinear process of two-photon absorption in a commercial laser diode may be used for all-optical demultiplexing in terabit per second optical time division multiplexing networks. Switching windows of 650 fs in duration have
Thomsen, Benn C., Barry, Liam P., Dudley, John M., Harvey, John D.   +3 more
core   +2 more sources

Single-photon avalanche diode detectors for quantum key distribution

, 2007
The application of quantum key distribution (QKD) has raised particular demands for single-photon detectors. One of the most promising candidates at the low-loss optical fibre communications windows is the planar geometry InGaAs/InP single-photon ...
Buller, G. S., Ng, J. S., Tan, L. J J, S. Pellegrini, L. J. J. Tan, Krysa, A. B., J. P. R. David, Pellegrini, S., Cova, S., R. E. Warburton, A. B. Krysa, David, J. P R, J. S. Ng, COVA, SERGIO, G. S. Buller, Warburton, R. E.   +15 more
core   +1 more source

Single-photon imaging for 3D reflectivity and depth estimation in low-light conditions

Frontiers in Physics
Three-dimensional active imaging systems operating in photon-starved regimes have broad applications, including remote sensing, autonomous navigation, and military surveillance.
Yi Chen, Yi Chen, Yi Chen, Zhenyu Zhang, Liqiang Wang, Penghuan Liu, Yan Shi, Yan Shi   +7 more
doaj   +1 more source

Recent advances in single-photon detection towards the short-wave infrared spectral region

Advances in Physics: X
Single-photon detectors capable of detecting short-wave infrared (SWIR) light have undergone significant research and development over the past 30 years.
Lisa Saalbach, Fiona Fleming, Xin Yi, Gerald S. Buller   +3 more
doaj   +1 more source

Light-sheet autofluorescence lifetime imaging with a single-photon avalanche diode array. [PDF]

J Biomed Opt, 2023
Samimi K, Desa DE, Lin W, Weiss K, Li J, Huisken J, Miskolci V, Huttenlocher A, Chacko JV, Velten A, Rogers JD, Eliceiri KW, Skala MC.   +12 more
europepmc   +1 more source

A CMOS single photon avalanche diode array for 3D imaging [PDF]

An 8x4 avalanche diode array in a 0.8μm CMOS process uses single photon counting for time-of-light range finding with 100ps 40mW decollimated laser pulses.
Besse, Pierre-André, Niclass, Cristiano, Charbon, Charbon, Rochas, Alexis   +3 more
core   +2 more sources