Results 71 to 80 of about 5,067 (184)
Crosstalk Analysis of SiC Ultraviolet Single Photon Avalanche Photodiode Arrays
IEEE Photonics Journal, 2019 Optical crosstalk is one of major problems limiting the performance of focal plane arrays based on single photon avalanche diodes (SPADs). In this work, for the first time the crosstalk characteristics of a 4H-SiC SPAD linear array are studied, which is ...
Heng Zhang +8 more
doaj +1 more source
Supercritical Angle Fluorescence and Raman Techniques in Biophotonics
Laser &Photonics Reviews, Volume 20, Issue 15, 7 August 2026.Supercritical angle fluorescence (SAF) microscopy and supercritical angle Raman (SAR) spectroscopy have emerged as powerful tools in the field of biophotonics, enabling high‐resolution imaging and spectroscopy of biological specimens near interfaces. This review article provides a comprehensive overview of the principles, techniques, applications, and ...
Subir Das +2 more
wiley +1 more source
Laser &Photonics Reviews, Volume 20, Issue 15, 7 August 2026.This work elucidates the previously unknown thermal dynamics during sub‐micrometer photothermal laser printing of zinc oxide using a non‐invasive transmission‐based in situ measurement. The elevated temperatures are shown to be highly localized around the laser focal spot, reaching average temperature increases of about 113 K per mW of laser power ...
Steven Kraus +4 more
wiley +1 more source
Area and Bandwidth Enhancement of an n+/p-Well Dot Avalanche Photodiode in 0.35 μm CMOS Technology. [PDF]
Sensors (Basel), 2023 Kohneh Poushi SS +4 more
europepmc +1 more source
Advanced Quantum Technologies, Volume 9, Issue 8, August 2026.The PLMC protocol is implemented using a four‐level system within the 7F0↔5D0${}^7F_0 \leftrightarrow {}^5D_0$ optical transition of 151Eu3+$^{151}\mathrm{Eu}^{3+}$ ions (site 1) in the 0.1%‐doped Eu3+${\rm Eu}^{3+}$:Y2SiO5${\rm Y}_2{\rm SiO}_5$ crystal, and the experimental pulse sequence includes two distinct stages: (i) pre‐creation of macroscopic ...
Zhenqi Xu +8 more
wiley +1 more source
Design considerations for thermally stabilized germanium photodiodes
Технологія та конструювання в електронній апаратурі, 2004 The specific aspects of designing germanium avalanche and non-avalanche threshold photodiodes for use in optical radiation testers of fiber-optic communication systems are discussed.
V. V. Ryuhtin, Yu. G. Dobrovolsky
doaj
Illumination Induced Negative Differential Resistance in InGaAs Avalanche Photodiode
IEEE AccessThis work presents a novel InGaAs/InP avalanche photodiode, fabricated in the separate absorption, grading, charge, and multiplication configuration operated at non-cryogenic conditions under low-frequency ramp gating.
Afshan Khaliq +9 more
doaj +1 more source
Design and Optimization of High-Responsivity High-Speed Ge/Si Avalanche Photodiode in the C+L Band. [PDF]
Micromachines (Basel), 2022 Li C, Li X, Cai Y, Wang W, Yu M.
europepmc +1 more source
Nanophotonics, Volume 15, Issue 13, 13 July 2026.Nanophotonic Ge/Si single‐photon avalanche detectors (SPADs) employing photonic‐crystal‐enhanced optical confinement and a separate absorption–multiplication (SAM) architecture enable near‐unity internal quantum efficiency, low dark current, sub‐50 ps temporal response, and efficient telecom‐band single‐photon detection.
Kuldeep Singh +4 more
wiley +1 more source
A CMOS Optoelectronic Receiver IC with an On-Chip Avalanche Photodiode for Home-Monitoring LiDAR Sensors. [PDF]
Sensors (Basel), 2021 Joo JE, Lee MJ, Park SM.
europepmc +1 more source