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Search results 2721 until 2730 of 4104

Quantification of matrix and impurity elements in AlxGa1-xN compounds by Secondary Ion Mass Spectrometry

/en/research/research-news/quantification-of-matrix-and-impurity-elements-in-alxga1-xn-compounds-by-secondary-ion-mass-spectrometry

The AlGaN material system is of increasing interest for UV-based optoelectronic devices such as light emitting diodes (LEDs), laser diodes and photodetectors. The electronic properties of AlxGa1-xN…

MOVPE growth of polar (0001) and non-polar (11-20) GaN on cone-shaped patterned sapphire substrates

/en/research/research-news/movpe-growth-of-polar-0001-and-non-polar-11-20-gan-on-cone-shaped-patterned-sapphire-substrates

The patterned sapphire substrates (PSS) technology based on lateral overgrowth has been proven effective in reducing threading dislocation density and releasing in-plane residual strain of GaN.…

New class of high-performance THz MMICs – process established at FBH

/en/research/research-news/new-class-of-high-performance-thz-mmics-process-established-at-fbh

Recently, FBH in cooperation with IHP has established an InP-based process with operating frequencies up to the 250 GHz range which can be realized on top of a fully processed BiCMOS wafer.…

Reduced dislocation density – patterning of sapphire to fabricate templates for GaN/AlGaN epitaxy

/en/research/research-news/reduced-dislocation-density-patterning-of-sapphire-to-fabricate-templates-for-ganalgan-epitaxy

Epitaxial growth of GaN/AlGaN layers for light emitters in the ultraviolet spectral range has increasingly attracted interest in recent years. To improve the internal quantum efficiency of such LEDs,…

Filamentation and beam inhomogeneities in GaN broad area laser diodes

/en/research/research-news/filamentation-and-beam-inhomogeneities-in-gan-broad-area-laser-diodes

The phenomenon known as filamentation has been investigated at FBH for blue laser diodes. The results allow for a better understanding of the interplay of epitaxial layer homogeneity, basic laser…

Prize of the European Microwave Association 2019 awarded to Wolfgang Heinrich

/en/media-center/press-releases/prize-of-the-european-microwave-association-2019-awarded-to-wolfgang-heinrich

Making microwave research visible and connecting the players in research and industry - this has been Wolfgang Heinrich's driving force for many years. For his outstanding engagement, the head of the…

Preis der European Microwave Association 2019 an Wolfgang Heinrich verliehen

/en/media-center/media-review/preis-der-european-microwave-association-2019-an-wolfgang-heinrich-verliehen

Für sein herausragendes Engagement wird der Leiter des Forschungsbereichs III/V-Elektronik am Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik von der European Microwave…

Optimized buried Bragg gratings for high-power DFB-BA lasers

/en/research/research-news/optimized-buried-bragg-gratings-for-high-power-dfb-ba-lasers

High-power, highly efficient broad area diode lasers that are wavelength-stabilized by integrated Bragg gratings are in high demand for example for pumping narrow absorption bands in solid-state…

Sandwich-Chips: Das Beste aus zwei Technologien

/en/media-center/media-review/sandwich-chips-das-beste-aus-zwei-technologien-1

Zwei Leibniz-Institute haben ihre bislang getrennten Technologiewelten miteinander verbunden, um mit besonders leistungsfähigen innovativen Chips neue Anwendungen zu erschließen.

CLEO 2015 - Laser Science to Photonic Applications

/en/events/cleo-2015-laser-science-to-photonic-applications

 Meet FBH scientists at the Conference on lasers and electro-optics.