Results 51 to 60 of about 1,276 (131)

Numerical Model of SPAD-Based Direct Time-of-Flight Flash LIDAR CMOS Image Sensors

Sensors, 2020
We present a Montecarlo simulator developed in Matlab® for the analysis of a Single Photon Avalanche Diode (SPAD)-based Complementary Metal-Oxide Semiconductor (CMOS) flash Light Detection and Ranging (LIDAR) system.
Alessandro Tontini, Leonardo Gasparini, Matteo Perenzoni   +2 more
doaj   +1 more source

Study of Free‐Space Optical Quantum Network: Review and Prospectives

Advanced Science, Volume 13, Issue 36, 29 June 2026.
Free from the constraints of fiber connections, free‐space quantum network enables longer and more flexible quantum network connections. This review summarizes and comparatively analyzes free‐space quantum network experiments based on ground stations, satellites, and mobile platforms.
Hua‐Ying Liu, Zhenda Xie, Shining Zhu
wiley   +1 more source

Characterization of SPAD Array for Multifocal High-Content Screening Applications

Photonics, 2016
Current instruments used to detect specific protein-protein interactions in live cells for applications in high-content screening (HCS) are limited by the time required to measure the lifetime.
Anthony Tsikouras, Pietro Peronio, Ivan Rech, Nehad Hirmiz, M. Jamal Deen, Qiyin Fang   +5 more
doaj   +1 more source

Optoelectrical Devices for Neural Interfacing: Engineering Integration, Stability, and Multimodal Sensing

Advanced Healthcare Materials, Volume 15, Issue 20, 27 May 2026.
Implantable optoelectrical devices are an effective resource for the modulation and monitoring of neural activity with high spatiotemporal resolution. This review discusses current challenges faced by these devices and outlines future perspectives for the development of next‐generation neural interfaces targeting chronic, multisite, and multimodal ...
Stella Aslanoglou, Barbara Spagnolo, Antonio Balena, Massimo De Vittorio, Ferruccio Pisanello   +4 more
wiley   +1 more source

Design of 16 × 16 Low-Timing-Jitter InGaAs/InP Single-Photon Avalanche Photodiode Array for LiDAR

IEEE Photonics Journal
The precise calibration of timing jitter in single-photon chips and LiDAR devices is critical for the development of high-precision LiDAR systems. This paper presents the design and fabrication of a double-diffused InGaAs/InP SAGCM single-photon ...
Yu Chang, Kai Qiao, Zefang Xu, Liyu Liu, Linmeng Xu, Ming Li, Fei Yin, Xing Wang   +7 more
doaj   +1 more source

Surface Plasmon Enhanced Photoluminescence of Carbon Dots Formed In Situ on Silver Gratings

Advanced Science, Volume 13, Issue 27, 13 May 2026.
Carbon emitters formed in situ on a silver grating via plasmonic catalysis yield enhanced spontaneous emission by preferential radiative decay into surface plasmons. Enhancement manifests as emission exhibiting characteristics of coherence (polarization, directionality), and accelerated lifetimes of ∼30 ps, yielding Purcell factors of ∼70.
Maryam Sadat Amiri Naeini, Jaspreet Walia, Luis Angel Mayoral‐Astorga, Hyung Woo Choi, Arnaud Weck, Pierre Berini   +5 more
wiley   +1 more source

s2ISM: A Comprehensive Approach for Uncompromised Super-Resolution and Optical Sectioning in Image Scanning Microscopy [PDF]

EPJ Web of Conferences
Image Scanning Microscopy (ISM) enables good signal-to-noise ratio (SNR), super-resolution and high information content imaging by leveraging array detection in a laser-scanning architecture. However, the SNR is still limited by the size of the detector,
Zunino Alessandro, Garrè Giacomo, Perego Eleonora, Zappone Sabrina, Donato Mattia, Vicidomini Giuseppe   +5 more
doaj   +1 more source

Time‐Resolved Photoluminescence Lifetime Measurements of Organic Photovoltaic Materials

physica status solidi (a), Volume 223, Issue 8, 22 April 2026.
A nondestructive measurement technique utilizing time‐correlated single photon counting (TCSPC), based on photoluminescence statistics is presented for organic photovoltaic materials. This method identifies a comparative parameter independent of absorber layer thickness and the presence of transport layers (ETL/HTL).
Levente Illés, Ferenc Steinbach, Ferenc Korsós, Tamás Brigancz, Attila Barócsi, Alexandros Zachariadis, Christos Kapnopoulos, Evangelos Mekeridis, Argiris Laskarakis, Stergios Logothetidis, Zoltán Tamás Kiss, Sándor Lenk   +11 more
wiley   +1 more source

High Dynamic Range Imaging at the Quantum Limit with Single Photon Avalanche Diode-Based Image Sensors

Sensors, 2018
This paper examines methods to best exploit the High Dynamic Range (HDR) of the single photon avalanche diode (SPAD) in a high fill-factor HDR photon counting pixel that is scalable to megapixel arrays.
Neale A.W. Dutton, Tarek Al Abbas, Istvan Gyongy, Francescopaolo Mattioli Della Rocca, Robert K. Henderson   +4 more
doaj   +1 more source

A Design and Characterization of CMOS SPAD Fabricated in a 0.18-μm Standard Process

IEEE Access
This article presents the design and characterization of a cost-effective single-photon avalanche diode (SPAD) implemented using a standard 180-nm CMOS process without any process modification.
Woojin Jo, Hyun-Seung Choi, Byungchoul Park   +2 more
doaj   +1 more source