Grading waveguide to improve the performance of ultraviolet laser diodes

S Ali, M Usman, L Mustafa - Journal of Luminescence, 2023 - Elsevier
AlGaN laser diode (LD), in the ultraviolet (UV) wavelength range of 260 nm–270 nm, with
enhanced optical and electrical properties is proposed numerically in this work. A laser …

Employment of thin p-AlAs to improve near-infrared laser diodes

S Saeed, M Usman, M Jahangir, L Mustafa… - Materials Science and …, 2024 - Elsevier
We modeled the effect of thin AlAs in a single quantum well separate confinement
heterostructure laser diode (SQW SCH LD) to reduce the current threshold and enhance the …

Graded Cladding Layers in Infrared III-Arsenide Separate Confinement Heterostructure Laser Diodes

S Saeed, M Usman, M Aamir… - ECS Journal of Solid State …, 2023 - iopscience.iop.org
Graded aluminum composition in AlGaAs n-cladding and p-cladding layers have been
shown to exhibit improved optoelectronic performance in the single quantum well separate …

Stability improvement of high-power semiconductor laser diode regulators used in infrared solid-state laser applications

MA Covaci, RV Gălătuș, LA Szolga - Optical and Quantum Electronics, 2024 - Springer
Recent optoelectronics domain studies concluded the increased need to provide improved,
stable, and efficient designs to operate high-power NIR (Near-infrared) laser diodes. The …