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Semimetal to semiconductor transition in Bi/TiO2 core/shell nanowires
/forschung/publikationen/semimetal-to-semiconductor-transition-in-bitio2-coreshell-nanowires
We demonstrate the full thermoelectric and structural characterization of individual bismuth-based (Bi-based) core/shell nanowires. The influence of strain on the temperature dependence of the…
Connecting Chips With More Than 100 GHz Bandwidth
/forschung/publikationen/connecting-chips-with-more-than-100-ghz-bandwidth
Connecting chips within a module is a basic requirement in transforming MMIC performance to system functionality. More and more applications demand for operation at high mm-wave frequencies or with…
High-Brightness Nanosecond-Pulse Operation From Tapered-Ridge-Waveguide Lasers
/forschung/publikationen/high-brightness-nanosecond-pulse-operation-from-tapered-ridge-waveguide-lasers
Carrier-induced anti-guiding effects emerging at extremely high injection current densities under short-pulse operation necessitate lateral-waveguide design considerations, that differ from those…
A 310 nm Optically Pumped AlGaN Vertical-Cavity Surface-Emitting Laser
/forschung/publikationen/a-310-nm-optically-pumped-algan-vertical-cavity-surface-emitting-laser
Ultraviolet light is essential for disinfection, fluorescence excitation, curing, and medical treatment. An ultraviolet light source with the small footprint and excellent optical characteristics of…
Broadband Sensing Around 1 THz Via a Novel Biquad-Antenna-Coupled Low-NEP Detector in CMOS
/forschung/publikationen/broadband-sensing-around-1-thz-via-a-novel-biquad-antenna-coupled-low-nep-detector-in-cmos
We report on the design and characterization of a novel backside-radiating antenna-coupled direct terahertz detector fabricated in 65 nm CMOS technology. The novelty of the design lies in the…
Laser systems enable quantum technology in space
/forschung/publikationen/laser-systems-enable-quantum-technology-in-space
Qualifying a versatile ultracold atom experiment for the International Space Station requires many steps, with integrated laser systems playing a key role.
Analysis and Optimization of Packaged Floating-Ground RF Power GaN-HEMTs
/forschung/publikationen/analysis-and-optimization-of-packaged-floating-ground-rf-power-gan-hemts
This paper presents the work of analyzing and optimizing a discrete packaged floating-ground RF power GaN-HEMT targeting medium-power reverse-type envelope tracking applications like base stations…
Improved Modeling of Radiation Effects in Coplanar Waveguides with Finite Ground Width
/forschung/publikationen/improved-modeling-of-radiation-effects-in-coplanar-waveguides-with-finite-ground-width
Accurate planar transmission-line models are indispensable not only for the design of monolithic microwave integrated circuits (MMICs) but also for their characterization, e.g., when establishing…
A 119 GHz Bandwidth Distributed Amplifier with a ±2 ps Group Delay Variation
/forschung/publikationen/a-119-ghz-bandwidth-distributed-amplifier-with-a-plusmn2nbspps-group-delay-variation
This paper presents an analysis on the bandwidth and group delay variation of the artificial transmission line structures that are inherent to distributed amplifiers. An Indium-Phosphide (InP)…
D-band Transmission Hub for Point to MultiPoint Wireless Distribution
/forschung/publikationen/d-band-transmission-hub-for-point-to-multipoint-wireless-distribution
The first Transmission Hub for Point to multipoint wireless distribution at D-band (141 - 148.5 GHz) is presented. The paper reports the development of the main components of the transmission…