Long-Lived Excitations in Wide Quantum Wells

A Bercha, G Muziol, M Chlipala, W Trzeciakowski - Physical Review Applied, 2023 - APS
Time-resolved photoluminescence (PL) measurements in wide (15 and 25 nm)(In, Ga) N/Ga
N quantum well light-emitting diodes (LEDs) reveal that photoexcited charge carriers …

Light emission at reverse voltage in a wide-well light-emitting diode

A Bercha, K Sakowski, G Muziol, M Hajdel… - Physical Review …, 2024 - APS
This study examines the effects of negative voltage pulses (NVPs) on emission from (In, Ga)
N/Ga N light-emitting diodes (LEDs) with a wide quantum well in the active layer. For low dc …

Dynamical Behavior of a Stacked Blue Laser Diode Consisting of Two Active Regions with Wide InGaN Quantum Wells and Two Tunnel Junctions

J Tepaβ, L Uhlig, M Hajdel, M Siekacz… - … status solidi (a), 2024 - Wiley Online Library
In nitride‐based laser diodes, the poor conductivity of the p‐type region, higher light
absorption, and the difficult processing of an ohmic p‐contact with low resistance are major …