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Filling the gap – potential shifting driver amplifier suited to complete digital GaN-based signal chains
/forschung/forschungsnews/filling-the-gap-potential-shifting-driver-amplifier-suited-to-complete-digital-gan-based-signal-chains
FBH has developed a potential shifting driver amplifier. The compact module contains a novel inhouse GaN driver chip. It delivers a voltage gain of about 11 at a usual GaN-HEMT input load and…
Improved reliability of UVC LEDs and better understanding of degradation processes
/forschung/forschungsnews/improved-reliability-of-uvc-leds-and-better-understanding-of-degradation-processes
FBH and its partner TU Berlin have succeeded in significantly increasing the lifetime of its UVC LEDs to beyond 10,000 h by using AlN base layers of high crystalline quality. Crucial for this…
Optimization of epitaxial growth based on photoluminescence
/forschung/forschungsnews/optimization-of-epitaxial-growth-based-on-photoluminescence
Photoluminescence (PL) is sensitive on various characteristics of III-V semiconductors which are related to conductivity and light generation efficiency. The materials analytics group at FBH uses…
Traceability for electrical measurements at millimeter-wave and terahertz frequencies
/forschung/forschungsnews/collaboration-of-european-metrology-institutes-with-fbh-to-establish-traceability-for-electrical-measurements-at-millimeter-wave-and-terahertz-frequencies
Together with European partners, the FBH is developing reliable techniques for on-wafer measurements to cover frequencies from 110 GHz to 1,100 GHz. This is an important contribution…
Novel tapered RW lasers for high-power LiDAR applications
/forschung/forschungsnews/novel-tapered-rw-lasers-for-high-power-lidar-applications-emitting-short-pulses-with-excellent-brightness
FBH scientists show 3.3 ns long pulse operation with more than 18 W output power and an excellent brightness from novel tapered-ridge-waveguide lasers. Such lasers generating…
Reger Austausch – Laser-Community traf sich zur ISLC2021
/media-center/presseinformationen/laser-community-traf-sich-zur-islc2021
Mehr als 100 internationale Wissenschaftlerinnen und Wissenschaftler zog es auf die fünftägige International Semiconductor Laser Conference (ISLC) nach Potsdam. Etwa die gleiche Anzahl von…
Diodenlaser hoher Brillanz
/forschung/photonik/chips-laser-leds/diodenlaser-hoher-brillanz
Wir entwickeln Diodenlaser mit hoher spektraler Strahldichte, die hohe Ausgangsleistungen bis 10 W mit einer guten Strahlqualität bei zugleich hoher Effizienz und Zuverlässigkeit liefern.…
Rugged GaN low-noise amplifier MMIC with a compact stacked first stage – suited for receiver designs for extreme conditions
/forschung/forschungsnews/rugged-gan-low-noise-amplifier-mmic-with-a-compact-stacked-first-stage-suited-for-receiver-designs-for-extreme-conditions
The improved circuit design demonstrates competitive noise figures and offers a compact layout, reducing the requirement for additional chip area.
A 26 GHz GaN-MMIC with integrated switches for discrete level supply modulation
/forschung/forschungsnews/a-26-ghz-gan-mmic-with-integrated-switches-for-discrete-level-supply-modulation
Discrete level supply modulation (class-G) shows potential for integrated mm-wave power amplifiers targeting 5G and space applications. The integrated switches can accommodate high instantaneous…
FBH stellt neue Entwicklungen bei Diodenlasern und UV-LEDs auf den Photonics Days vor
/media-center/presseinformationen/fbh-stellt-neue-entwicklungen-bei-diodenlasern-und-uv-leds-auf-den-photonics-days-vor
Vom 4. bis 7. Oktober 2021 finden die Photonics Days Berlin Brandenburg im Hybridformat statt. Das Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik (FBH) beteiligt…