High performance deep violet InGaN TQW laser diode through multi-layer thickness optimization using particle swarm optimization method

B Edalati, AZ Goharrizi, G Alahyarizadeh… - Optics & Laser …, 2025 - Elsevier
The paper details the optimization of efficiency parameters for a InGaN TQW laser diode
using the particle swarm optimization algorithm through SILVACO software. By adjusting …

Improvement of the performance characteristics of deep violet InGaN multi-quantum-well laser diodes using step-graded electron blocking layers and a delta barrier

G Alahyarizadeh, Z Hassan, FK Yam - Journal of Applied Physics, 2013 - pubs.aip.org
The performance characteristics of deep violet In0. 082Ga0. 918N/GaN multi-quantum-well
(MQW) laser diodes (LDs) with step-graded electron blocking layers (EBLs), a new EBL …

Numerical study of performance characteristics of deep violet InGaN DQW laser diodes with AlInGaN quaternary multi quantum barrier electron blocking layer

G Alahyarizadeh, Z Hassan, SM Thahab, FK Yam… - Optik, 2013 - Elsevier
The performance characteristics of deep violet In 0.082 Ga 0.918 N/GaN double quantum
well (DQW) laser diodes (LDs) with different electron blocking layer (EBL) including a …

Performance characteristics of deep violet InGaN DQW laser diodes with InGaN/GaN superlattice waveguide layers

G Alahyarizadeh, Z Hassan, SM Thahab, FK Yam… - Optik, 2014 - Elsevier
The effect of the indium (In) composition of In x Ga 1− x N (GaN) waveguide layers on the
performance of deep violet In 0.082 Ga 0.918 N/GaN double quantum well (DQW) laser …

Performance enhancement of deep violet indium gallium nitride double quantum well lasers using delta barrier close to electron blocking layer

G Alahyarizadeh, Z Hassan, SM Thahab… - Journal of …, 2012 - spiedigitallibrary.org
A thin aluminum gallium nitride (AlGaN) electron blocking layer (EBL), above the active
region, is used to improve the performance and reduce threshold current of indium gallium …

Enhancement of performance characteristics of violet InGaN DQW laser diodes using InGaN/GaN multilayer barriers

G Alahyarizadeh, R Rahmani - Optik, 2016 - Elsevier
Abstract InGaN/GaN multilayer barriers (MLBs) have been theoretically and experimentally
applied to improve InGaN-based light-emitting diodes (LEDs). In this study, the effects of …

Effect of QW thickness and numbers on performance characteristics of deep violet InGaN MQW lasers

G Alahyarizadeh, M Amirhoseiny… - International Journal of …, 2015 - World Scientific
The performance characteristics of deep violet indium gallium nitride (InGaN) multiquantum
well (MQW) laser diodes (LDs) with an emission wavelength of around 390 nm have been …

Study on effect of quantum well number on performance characteristics of GaN-based vertical cavity surface emitting laser

AZ Goharrizi, G Alahyarizadeh, Z Hassan… - Physica E: Low …, 2013 - Elsevier
The effect of number of quantum wells and quantum well thickness on the optical
performance of InGaN vertical cavity surface emitting laser (VCSEL) was numerically …

Numerical simulation of blue InGaN light-emitting diode with gradual Al and In composition p-AlInGaN electron-blocking layer

SM Zeng, GH Fan, SW Zheng - Journal of Materials Science: Materials in …, 2015 - Springer
In this study, three kinds of electron-blocking layer (EBL) in blue InGaN light-emitting diodes
(LEDs) are investigated numerically. They are conventional AlGaN EBL, AlInGaN EBL and …

Improvement of performance characteristics of deep violet InGaN DQW lasers using a strip DQW active region

G Alahyarizadeh, Z Hassan, SM Thahab, FK Yam - Optik, 2014 - Elsevier
The effect of the laser ridge width on the performance characteristics of deep violet In 0.082
Ga 0.918 N/GaN double quantum well (DQW) laser diodes (LDs) has been numerically …