Artificial optoelectronic synapse with nanolayered GaN/AlN periodic structure for neuromorphic computing

X Hua, J Zheng, X Han, Z Hao, Y Luo… - ACS Applied Nano …, 2023 - ACS Publications
The rapid development of artificial intelligence requires faster information processing
capabilities. However, the traditional von Neumann architecture is limited by transmission …

Digital alloy InAlAs avalanche photodiodes

J Zheng, Y Yuan, Y Tan, Y Peng… - Journal of Lightwave …, 2018 - opg.optica.org
InAlAs digital alloy avalanche photodiodes exhibit lower excess noise than those fabricated
from conventional random alloy material. Experiment and Monte Carlo simulation both show …

AlInAsSb impact ionization coefficients

Y Yuan, J Zheng, AK Rockwell… - IEEE Photonics …, 2019 - ieeexplore.ieee.org
Digital alloy AlInAsSb avalanche photodiodes exhibit low excess noise comparable to those
fabricated from Si. The electron and hole ionization coefficients are critical parameters for …

Full band Monte Carlo simulation of AlInAsSb digital alloys

J Zheng, SZ Ahmed, Y Yuan, A Jones, Y Tan… - InfoMat, 2020 - Wiley Online Library
Avalanche photodiodes fabricated from AlInAsSb grown as a digital alloy exhibit low excess
noise. In this article, we investigate the band structure‐related mechanisms that influence …

[HTML][HTML] Tuning of energy dispersion properties in InAlAs digital alloys

J Zheng, Y Tan, Y Yuan, AW Ghosh… - Journal of Applied …, 2019 - pubs.aip.org
InAlAs digital alloy avalanche photodiodes (APDs) exhibit lower noise than their random
alloy counterparts. The electronic dispersion properties of digital alloy materials are unique …

[HTML][HTML] Simulations for InAlAs digital alloy avalanche photodiodes

J Zheng, Y Yuan, Y Tan, Y Peng, A Rockwell… - Applied Physics …, 2019 - pubs.aip.org
3D band structure-based Monte Carlo simulations have been utilized to simulate InAlAs
digital alloy avalanche photodiodes. The simulated current–voltage curve and excess noise …

Polarization Effect of a PMT-like Avalanche Photodiode Based on GaN/AlN Periodic Stack Structure

Q Li, F Chen, M Li, J Kang, W Wang… - … on Numerical Simulation …, 2018 - ieeexplore.ieee.org
APD based on AlN/GaN periodically stacked structure (PSS) has been proposed to obtain a
high ionization coefficient ratio of more than 100 and a record high linear-mode gain of 10 4 …

Experimental observation of the linear gain of back-illuminated ultraviolet avalanche photodiodes using a GaN/AlN periodically stacked structure

J Kang, Q Li, Y Wan - Journal of Physics D: Applied Physics, 2021 - iopscience.iop.org
Semiconductor-based avalanche photodiodes (APDs) have the advantages of lower power
and simpler fabrication of arrays compared with photomultiplier tubes. It is critical for weak …

The Effect of Inductively Coupled Plasma Etching on the IV Curves of the Avalanche Photodiode with GaN/AlN Periodically Stacked Structure

X Wu, L Wang, Z Hao, Y Han, C Sun… - … status solidi (a), 2019 - Wiley Online Library
Inductively coupled plasma (ICP) is widely used in dry etching of III‐nitride materials,
wherein the etching parameters of GaN and AlN are very different. Herein, the ICP dry …

Properties of III-V digital alloys grown by molecular beam epitaxy

AK Rockwell - 2020 - repositories.lib.utexas.edu
Avalanche photodiodes (APDs) are widely used in industry due to their internal gain, which
arises from impact ionization. Over the past 40+ years, III-V materials have been intensively …