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Spectrally narrowband simultaneous dual‑wavelength emission from Y‑branch DBR diode lasers at 785 nm
/en/research/publications/spectrally-narrowband-simultaneous-dual-wavelength-emission-from-y-branch-dbr-diode-lasers-at-785-nm
Y-branch distributed Bragg reflector (DBR) diode lasers with a stable narrowband emission in simultaneous dual-wavelength operation with spectral distances below 3.2 nm are presented. The…
The study of 3D FDTD modelling of large-scale Bragg gratings validated by experimental measurements
/en/research/publications/the-study-of-3d-fdtd-modelling-of-large-scale-bragg-gratings-validated-by-experimental-measurements
This study discusses the importance of accurately calculating the optical response of Bragg gratings and the challenges associated with the 3D finite-difference time-domain (FDTD) method for…
Increasing Output Power in 970 nm Broad Area Lasers via Longitudinal Current Profile Modification
/en/research/publications/increasing-output-power-in-970-nm-broad-area-lasers-via-longitudinal-current-profile-modification
We show experimentally that the longitudinal temperature variation in high power GaAs-based diode lasers can be halved via a modified longitudinal current profile, using customized devices with…
Literature review: potential non-thermal molecular effects of external radiofrequency electromagnetic fields on cancer
/en/research/publications/literature-review-potential-non-thermal-molecular-effects-of-external-radiofrequency-electromagnetic-fields-on-cancer
Introduction: There is an ongoing scientific discussion, that anti-cancer effects induced by radiofrequency (RF)-hyperthermia might not be solely attributable to subsequent temperature elevations at…
PCSEL Workshop 2024
/en/events/pcsel-workshop-2024
FBH is represented with an invited talk at the International Workshop on PCSELs 2024.
IWN 2024
/en/events/iwn-2024
The FBH presents latest research results in several contributions at the 12th International Workshop on Nitride Semiconductors.
Continuous wave operation of broad area and ridge waveguide laser diodes at 626 nm
/en/research/publications/continuous-wave-operation-of-broad-area-and-ridge-waveguide-laser-diodes-at-626-nm
The authors present continuous wave (CW) high‐power broad area and ridge waveguide lasers with laser emission at 626 nm at room temperature. For this, the authors employ GaAs‐based diode lasers…
ICSO 2024
/en/events/icso-2024
The FBH presents its latest research results at the International Conference on Space Optics in several contributions.
SERDS - An enabler for on-site soil anylysis & Kommende FBH Forschung für die Fusion
/en/events/serds-an-enabler-for-on-site-soil-anylysis-kommende-fbh-forschung-fuer-die-fusion
Martin Maiwald Ferdinand-Braun-Institut Paul Crump Ferdinand-Braun-Institut
Digital GaN-based Transceiver Module & Optimization of GaN mm-wave transistors
/en/events/digital-gan-based-transceiver-module-optimization-of-gan-mm-wave-transistors
Megha Krishnaji Rao Ferdinand-Braun-Institut Hossein Yazdani Ferdinand-Braun-Institut