67 citations · 77 across the 3 of their papers we have counts for
3 papers
physics.optics2021★ 3 cited
GaN-based Bipolar Cascade Lasers with 25nm wide Quantum Wells: Simulation and Analysis
J. Piprek, G. Muziol, M. Siekacz +1
We analyze internal device physics, performance limitations, and optimization options for a unique laser design with multiple active regions separated by tunnel junctions, featurin…
physics.gen-ph2020★ 67 cited
Efficiency Models for GaN-based Light-Emitting Diodes: Status and Challenges
Joachim Piprek
Light emitting diodes (LEDs) based on Gallium Nitride (GaN) have been revolutionizing various applications in lighting, displays, medical equipment, and other fields. However, thei…
cond-mat.mes-hall2016★ 7 cited
Index-antiguiding in narrow-ridge GaN-based laser diodes investigated by measurements of the current-dependent gain and index spectra and by self-consistent simulation
Luca Redaelli, Hans Wenzel, Joachim Piprek +6
The threshold current density of narrow (1.5 μm) ridge-waveguide InGaN multi-quantum-well laser diodes, as well as the shape of their lateral far-field patterns, strongly depend on…