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Group seminar

"Physics of Group III Nitrides: Properties, Devices and Surfaces" takes place online on Wednesday between 10:15 am and 11:45 am. External guests can receive a corresponding Zoom-Link from Claudia Hinrichs [1].

Seminar talks in WS 2020/21
Date
Topic
Speaker
28.10.2020
Epitaxial Design Optimizations for Increased Efficiency in GaAs-Based High Power Diode Lasers
Torben Kaul
(Trumpf)

11.11.2020
Determination of light extraction efficiency of UV-LEDs by ray tracing simulations
Martin Guttmann
18.11.2020
Epitaxie und Charakterisierung von semipolaren (11-22) AlGaN Heterostrukturen
(Mastervortrag)

Sarina Graupeter
25.11.2020
Point defect control in AlGaN with high aluminum content
(Mastervortrag)

Marcel Schilling
02.12.2020
Temperature-dependent electroluminescence studies on degradation
effects of MOVPE grown AlGaN-based UVB-LEDs
(Mastervortrag)
Jakob Höpfner
09.12.2020
Two-step MOVPE, in-situ etching and buried implantation: applications to the realization of GaAs laser diodes
Pietro Della Casa
(FBH)

16.12.2020
Variation of the heterostructure design of AlGaN-based UVC-LEDs and lasers grown by MOVPE
(Mastervortrag)

Daniel Hauer Vidal
06.01.2021
III-nitrides on silicon: a platform for integrated photonics from the ultraviolet to the near infrared
Farsane Tabataba-Vakili
(C2N-CNRS, CEA-IRIG)

20.01.2021
Gain evaluation for GaN-based lasers by Hakki-Paoli measurements (intermediate master thesis talk)
(intermediate master thesis talk)
Verena Montag
03.02.2021
Photoluminescence spectroscopy of AlGaN-based deep-UV lasers
(intermediate master thesis talk)
Nando Prokop
10.02.2021
Temperature-dependent investigation of the contact resistance of high aluminium mole fraction n-AlGaN layers for tunnel-junction UVC-LEDs
(intermediate master thesis talk)

René Sodtke
03.03.2021
Carrier Localisation in III-Nitride Quantum Wells
Christian Frankerl
(OSRAM OS)

17.03.2021
9:00 !
Far-UVC LEDs on AlN substrates
Hirotsugu Kobayashi
(Asahi Kasei/Crystal IS)

17.03.2021
16:00
Skin-safe disinfection with far-UVC light
David Brenner
(Columbia University)
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