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Fabrication of AlGaN Integrated Photonic Devices
/forschung/publikationen/fabrication-of-algan-integrated-photonic-devices
AlGaN is a highly promising material for the next generation of integrated optics due to its wide band gap and transparency over a wide spectral range, from UV to infrared [1,2]. This material also…
Mobile Raman sensors for on-site measurements to address agri-photonic and life science applications
/forschung/publikationen/mobile-raman-sensors-for-on-site-measurements-to-address-agri-photonic-and-life-science-applications
Raman spectroscopy is a well-established non-invasive and label-free optical technique for molecule-specific analysis in various application fields. However, disturbing contributions like…
Generation of picosecond pulses from tapered laser diodes with over 40 W peak power at wavelengths of 780 nm and 830 nm
/forschung/publikationen/generation-of-picosecond-pulses-from-tapered-laser-diodes-with-over-40-w-peak-power-at-wavelengths-of-780-nm-and-830-nm
Mode-locked diode lasers, with their compact size and low price, are regarded as a promising alternative for the widely used Ti:sapphire lasers and fiber lasers in generating ultrashort optical…
Investigation of bent DBR-RW Laser Diodes emitting at 785 nm
/forschung/publikationen/investigation-of-bent-dbr-rw-laser-diodes-emitting-at-785-nm
Monolithic multi-wavelength diode lasers are of great interest in application fields such as THz-generation or shifted excitation Raman difference spectroscopy. Combining the laser light of multiple…
Qualification of Semiconductor Optical Amplifiers for Space-Borne Laser Modules
/forschung/publikationen/qualification-of-semiconductor-optical-amplifiers-for-space-borne-laser-modules
The availability of high-power single-mode laser radiation at a specific wavelength and narrow spectral linewidth allows to realize novel space-borne applications including atom cooling,…
Design strategies to optimize 660 nm DBR tapered laser performance
/forschung/publikationen/design-strategies-to-optimize-660-nm-dbr-tapered-laser-performance
While red-emitting diode lasers have been around for several decades, their use is still limited due to insufficient power or coherence. Hence, solid state lasers based on frequency conversion are…
Monolithic MMI-coupler-based Dual-Wavelength MOPA at 830 nm for Spectroscopic Applications
/forschung/publikationen/monolithic-mmi-coupler-based-dual-wavelength-mopa-at-830-nm-for-spectroscopic-applications
Shifted excitation Raman difference spectroscopy (SERDS) with alternating dual-wavelength excitation enables extracting Raman signals that provide molecular target information from background…
High power CW 780 nm diode lasers for use in additive manufacturing
/forschung/publikationen/high-power-cw-780-nm-diode-lasers-for-use-in-additive-manufacturing
High-power GaAs-based diode lasers are critical components for material processing applications, and have high potential for use in additive manufacturing systems (AM) [1]. High power continuous-wave…
Red-Emitting Distributed Bragg Reflector Lasers for Strontium-Based Optical Atomic Clocks
/forschung/publikationen/red-emitting-distributed-bragg-reflector-lasers-for-strontium-based-optical-atomic-clocks
Optical atomic clocks based on the spectroscopy of strontium (Sr) atoms currently provide the most accurate time and frequency measurements. They reach fractional frequency uncertainties in the range…
Toward complex GaAs PIC-based laser sources
/forschung/publikationen/toward-complex-gaas-pic-based-laser-sources
Diode lasers (DLs) based on gallium arsenide (GaAs) enable direct emission from 630 nm up to 1180 nm [1], a wavelength range that is of interest for a wide range of applications in…