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A 1.4 kW 780 nm pulsed diode laser, high duty cycle, passively side-cooled pump module
/forschung/publikationen/a-14-kw-780-nm-pulsed-diode-laser-high-duty-cycle-passively-side-cooled-pump-module
A diode laser module emitting 1.4 kW optical in-pulse power near 780 nm optimized for high (≥ 10%) duty-cycle operation in a micro-channel free design is presented. With full…
A Modular MIMO Millimeter-Wave Imaging Radar System for Space Applications and Its Components
/forschung/publikationen/a-modular-mimo-millimeter-wave-imaging-radar-system-for-space-applications-and-its-components
This article presents the design and prototyping of components for a modular multiple-input multiple-output (MIMO) millimeter-wave radar for space applications. A single radar panel consists of 8…
Influence of the hydrogen level in (InAlGa)N-based laser diodes on the stability of the device’s operating voltage
/forschung/publikationen/influence-of-the-hydrogen-level-in-inalgan-based-laser-diodes-on-the-stability-of-the-devices-operating-voltage
The impact of hydrogen impurities in the semiconductor heterostructure of (InAlGa)N-based laser diodes on the stability of the device’s operating voltage is investigated. Diodes emitting at a…
Roadmap on quantum nanotechnologies
/forschung/publikationen/roadmap-on-quantum-nanotechnologies
Quantum phenomena are typically observable at length and time scales smaller than those of our everyday experience, often involving individual particles or excitations. The past few decades have seen…
Tunable Graphene Phononic Crystal
/forschung/publikationen/tunable-graphene-phononic-crystal
In the field of phononics, periodic patterning controls vibrations and thereby the flow of heat and sound in matter. Bandgaps arising in such phononic crystals (PnCs) realize low-dissipation…
Sub-THz wireless system with electronic and optoelectronic transmitters
/forschung/publikationen/sub-thz-wireless-system-with-electronic-and-optoelectronic-transmitters
Sub-THz wireless system with electronic and optoelectronic transmitters C. Paoloni1, R. Basu1, M. Burhenn2, M. Hossain3, D. Heubcsh2, V. Krozer4, T. Le2,…
Narrow spectral linewidth 785 nm DBR tapered lasers with 7 W output power
/forschung/publikationen/narrow-spectral-linewidth-785-nm-dbr-tapered-lasers-with-7-w-output-power
Narrow spectral linewidth 785 nm DBR tapered lasers with 7 W output power B. Sumpf, L.S. Theurer, M. Maiwald, A. Müller, A. Maaßdorf, J. Fricke,…
Enhanced self-aligned structure for improved lateral brightness in 940nm high-power broad-area diode lasers
/forschung/publikationen/enhanced-self-aligned-structure-for-improved-lateral-brightness-in-940nm-high-power-broad-area-diode-lasers
Enhanced self-aligned structure for improved lateral brightness in 940nm high-power broad-area diode lasers M. Elattar, O. Brox, P. Della Casa, A. Maaßdorf,…
Single-pass tapered semiconductor optical amplifiers and modules for efficient coherent beam combining
/forschung/publikationen/single-pass-tapered-semiconductor-optical-amplifiers-and-modules-for-efficient-coherent-beam-combining
Single-pass tapered semiconductor optical amplifiers and modules for efficient coherent beam combining P. Crumpa, G. Blumea, D. Feisea, M. Elattara, A. Ginolasa,…
On the carrier kinetics in Al(In)GaN quantum wells stressed by high current densities
/forschung/publikationen/on-the-carrier-kinetics-in-alingan-quantum-wells-stressed-by-high-current-densities
On the carrier kinetics in Al(In)GaN quantum wells stressed by high current densities J.W. Tomma, J. Ruschelb, J. Glaabb, F. Mahlera, T. Kolbeb, S. Einfeldtb …