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Novel corrugated horn antenna technology with stripline feeding
/en/research/research-news/novel-corrugated-horn-antenna-technology-with-stripline-feeding
We developed a novel stripline-to-waveguide transition and a corrugated horn antenna, which are ideal for space applications due to their reduced size and weight. Both technologies are easily…
DynExp—Highly flexible laboratory automation for dynamically changing classical and quantum experiments
/en/research/publications/dynexp-highly-flexible-laboratory-automation-for-dynamically-changing-classical-and-quantum-experiments
Experiments in science and particularly quantum physics grow complex requiring sophisticated control software. Such software must provide a rigorous abstraction between hardware and measurement…
Integrierte_Quantentechnologie.pdf
/fileadmin/downloads/Publications/Flyer/Integrierte_Quantentechnologie.pdf
© Roskosmos/NASA Integrated Quantum Technology Exploiting the Full Potential of Quantum Technology Fundamental research has demonstrated that quantum physics provides solutions to problems which…
The effect of supplemental LED lighting in the range of UV, blue, and red wavelengths at different ratios on the accumulation of phenolic compounds in pak choi and swiss chard
/en/research/publications/the-effect-of-supplemental-led-lighting-in-the-range-of-uv-blue-and-red-wavelengths-at-different-ratios-on-the-accumulation-of-phenolic-compounds-in-pak-choi-and-swiss-chard
Phenolic compounds are known for their health-promoting effects on humans. Pak choi (Brassica rapa ssp. chinensis) and Swiss chard (Beta vulgaris subsp. vulgaris) are used here as model plants, as…
Influence of the AlN-sapphire template on the optical polarization and efficiency of AlGaN-based far-UVC micro LED arrays
/en/research/publications/influence-of-the-aln-sapphire-template-on-the-optical-polarization-and-efficiency-of-algan-based-far-uvc-micro-led-arrays
Arrays of far-UVC micro light emitting diodes (LEDs) based on AlGaN and emitting at 233–235 nm have been fabricated on different types of AlN-sapphire templates and the optical polarization,…
Wavelength-Stabilized Multi-Active Region DBR and DFB Broad-Area and Ridge-Waveguide Lasers for High Peak-Power Pulsed Operation
/en/research/publications/wavelength-stabilized-multi-active-region-dbr-and-dfb-broad-area-and-ridge-waveguide-lasers-for-high-peak-power-pulsed-operation-1
For LiDAR applications, compact, robust, and mass-producible light sources generating high-peak power nanosecond-long pulses are essential. This paper presents an investigation of power scaling in…
Wideband Calibration Methods on a Modified Vector Network Analyzer System
/en/research/publications/wideband-calibration-methods-on-a-modified-vector-network-analyzer-system-1
The increasing need for larger bandwidth to support faster transfer rates in modern telecommunication systems, like the introduction of the 5G cellular standard in 2019 and the ongoing research into…
GaAs Based Edge Emitters at 626 nm, 725 nm and 1180 nm
/en/research/publications/gaas-based-edge-emitters-at-626-nm-725-nm-and-1180-nm-1
GaAs-based semiconductor lasers with emission wavelengths around 626 nm, 725 nm and 1180 nm are challenging due to the necessary strain in the quantum well region. However, there is a…
Finite-Element Thermal Simulation of High-Power Diode Laser Stacks for High-Duty-Cycle Pump Applications
/en/research/publications/finite-element-thermal-simulation-of-high-power-diode-laser-stacks-for-high-duty-cycle-pump-applications-1
The two-dimensional heat distribution (steady-state and transient) within high-power diode laser stacks is simulated using a newly-developed model, based on finite element analysis and calibrated…
Power and Efficiency Scaling of GaAs-Based Edge-Emitting High-Power Diode Lasers
/en/research/publications/power-and-efficiency-scaling-of-gaas-based-edge-emitting-high-power-diode-lasers-1
Current progress in the scaling of continuous wave optical output power and conversion efficiency of broad-area GaAs based edge emitters, broad-area lasers (BALs), operating in the 900…1000 nm…