Photophysical properties of materials for high-speed photodetection

A Morteza Najarian, M Vafaie, B Chen… - Nature Reviews …, 2024 - nature.com
Fast-response optical sensing across the electromagnetic spectrum is an enabler of
quantum systems, 3D machine vision and augmented reality, yet existing technologies are …

Nanocavity-Mediated Purcell Enhancement of Er in TiO2 Thin Films Grown via Atomic Layer Deposition

C Ji, MT Solomon, GD Grant, K Tanaka, M Hua… - ACS …, 2024 - ACS Publications
The use of trivalent erbium (Er3+), typically embedded as an atomic defect in the solid-state,
has widespread adoption as a dopant in telecommunication devices and shows promise as …

Timing measurements with silicon single photon avalanche diodes: principles and perspectives

G Acconcia, F Ceccarelli, A Gulinatti, I Rech - Optics Express, 2023 - opg.optica.org
Picosecond timing of single photons has laid the foundation of a great variety of
applications, from life sciences to quantum communication, thanks to the combination of …

Realizing high zero-bias gain in a GaN-based bipolar phototransistor through thin-base configuration for ultraviolet imaging

B Wang, K Jiang, S Zhang, Y Chen, T Fang… - Journal of Materials …, 2024 - pubs.rsc.org
Ultraviolet (UV) detectors with high gain at low bias are urgently demanded. In this study, a
GaN-based UV bipolar phototransistor (BPT) with high zero-bias gain was obtained based …

[HTML][HTML] Correlation-Assisted Pixel Array for Direct Time of Flight

A Morsy, M Kuijk - Sensors, 2024 - mdpi.com
Time of flight is promising technology in machine vision and sensing, with an emerging need
for low power consumption, a high image resolution, and reliable operation in high ambient …

[HTML][HTML] Design of an Electronic Interface for Single-Photon Avalanche Diodes

SA Pullano, G Oliva, T Titirsha, MMH Shuvo, SK Islam… - Sensors, 2024 - mdpi.com
Single-photon avalanche diodes (SPADs) belong to a family of avalanche photodiodes
(APDs) with single-photon detection capability that operate above the breakdown voltage …

Amorphous silicon single photon avalanche diode integrated with memristor for short term memory based rapid passive quenching

Z Li, PD Börner, SS Panda, M Müller… - … on Circuits and …, 2024 - ieeexplore.ieee.org
This paper presents a single stack structure integrating a Single Photon Avalanche Diode
(SPAD) and a memristor, for rapid quenching and recharge using the short term memory of a …

Effect of SiO Thickness Depositing Using Sputtering on Switching Behaviors in Ag-Based Memristors

Z Li, PD Börner, B Choubey - IEEE Transactions on Electron …, 2024 - ieeexplore.ieee.org
A stable and reliable memristor is a key novel device in analog artificial intelligence circuits.
This article investigates the effect of the dielectric layer thickness on redox-based memristive …

The Influence of Dimensionality on the Charge‐Density‐Wave Transition and its Application on Mid‐Infrared Photodetection

J Li, H Bai, Y Li, J Mi, Q Chen, W Tang… - Advanced Optical …, 2023 - Wiley Online Library
Abstract 2D charge density wave (CDW) materials receive much attention for high
responsivity and broadband photodetection in recent years due to their collective electron …

Optical properties of Er ion doped TiO2 with atomic layer deposition

C Ji, GD Grant, MK Singh, S Seth… - Quantum …, 2023 - spiedigitallibrary.org
The use of rare earth ions (REIs)—typically embedded as atomic defects in solids—has
emerged as a promising strategy for practical quantum memories. In particular, the Er ion …