Bernd Witzigmann

Friedrich-Alexander-Universität Erlangen-Nürnberg — Germany

Physics and Astronomy · Physical Sciences

29h-index4.6kcitations248works3.82yr avg
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Research Topics

Semiconductor Quantum Structures and Devices(119), Photonic and Optical Devices(100), Semiconductor Lasers and Optical Devices(86), GaN-based semiconductor devices and materials(82), Nanowire Synthesis and Applications(30)

Publications248 total

Theoretical Analysis of a pn‐Diode on AIN with Distributed Polarization Doping
physica status solidi (a)·2025Open Access
Analysis of effective carrier mobility in the multi-quantum wells of DUV AlGaN LEDs by carrier transport simulations
2025
Unraveling carrier distribution in far-UVC LEDs by temperature-dependent electroluminescence measurements
Applied Physics Letters·2024· 6 cited
Modifying the Complex Refractive Index of Thin-Films for Nanooptical Applications
2024
Simulation of Carrier Injection Efficiency in AlGaN-Based UV-Light-Emitting Diodes
IEEE photonics journal·2024· 6 citedOpen Access
Simulation Study of Aluminum Nitride TrenchFETs with Polarization‐Induced Doping
physica status solidi (a)·2024· 1 citedOpen Access
Gain Characteristics of Optically Pumped UVC Lasers with Wide AlGaN Single‐Quantum‐Well Active Regions
physica status solidi (a)·2024· 8 citedOpen Access
Optical Gain in AlGaN Quantum Wells: Impact of Higher Energy States
IEEE photonics journal·2024· 5 citedOpen Access
Polarization-induced doping in vertical AlGaN transistors
2024
Enhanced LWIR response of InP/InAsP quantum discs-in-nanowire array photodetectors by photogating and ultra-thin ITO contacts
Nanotechnology·2024· 6 citedOpen Access
Carrier Transport in a Deep Ultraviolet Mixed Quantum Well Light Emitting Diode
IEEE photonics journal·2024· 10 citedOpen Access
Effect of the Hole Mobility on the Emission Spectrum of a Deep Ultraviolet Mixed Quantum Well Light Emitting Diode
2023
Simulation of optical gain in AlGaN quantum wells
2023· 1 cited
Spectrally Tunable Broadband Gate-All-Around InAsP/InP Quantum Discs-in-Nanowire Array Phototransistors with a High Gain-Bandwidth Product
ACS Photonics·2023· 7 citedOpen Access
Polarization induced doping for carrier transport in graded III-nitride layers: a simulation study
2023· 2 cited
Carrier Transport in Multi Colour Deep Ultraviolet Light Emitting Diodes
2022 International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD)·2022
Quantitative protein sensing with germanium THz-antennas manufactured using CMOS processes
Optics Express·2022· 5 citedOpen Access
Terahertz subwavelength sensing with bio-functionalized germanium fano-resonators
Frequenz·2022· 2 citedOpen Access
Theoretical analysis of photogating in InP nanowire arrays with embedded InAsP quantum discs
2022
Effect of Inhomogeneous Broadening in Ultraviolet III-Nitride Light-Emitting Diodes
Materials·2021· 14 citedOpen Access
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Frequent Co-authors

Friedhard Römer(12), Ratko G. Veprek(6), Ulrich T. Schwarz(5), Yu Feng(5), A. Bakin(5), A. Waag(5), Sebastian Steiger(5), Magnus T. Borgström(4), Jan Kupec(4), Martin Straßburg(4), Hutomo Suryo Wasisto(4), Lars Samuelson(3), Michael Kneissl(3), Matteo Meneghini(3), Tim Wernicke(3), H. W. Schumacher(3), Valerio Laino(3), Mathieu Luisier(3), A. Lell(3), V. Härle(3)