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Coexistence of Multiple Stable Continuous-Wave States in Micro-Integrated External-Cavity Diode Lasers
/en/research/publications/coexistence-of-multiple-stable-continuous-wave-states-in-micro-integrated-external-cavity-diode-lasers
We investigate dynamics of external cavity diode lasers. We present a theoretical and experimental evidence of the coexisting stable stationary states and discuss the recommendations for…
Generation of 0.7 W second harmonic picosecond pulses near 560 nm using a DBR diode laser and a ridge-waveguide PPLN crystal
/en/research/publications/generation-of-07-w-second-harmonic-picosecond-pulses-near-560-nm-using-a-dbr-diode-laser-and-a-ridge-waveguide-ppln-crystal
Picosecond laser pulses near 1120nm from a DBR diode laser are frequency doubled in a ridge-waveguide crystal. The 558nm pulses reach a pulse power of 0.7W and show very good pulse and beam…
GaAs-based Phase Modulator for Laser Radiation at 1070 nm
/en/research/publications/gaas-based-phase-modulator-for-laser-radiation-at-1070-nm
We report the design and fabrication of a double heterostructure GaAs/AlGaAs ridge waveguide electro-optic phase modulator for frequency stabilization of a 1070 nm laser. The measured modulation…
Development of high-power diode lasers with beam parameter product below 2 mm×mrad within the BRIDLE project
/en/research/publications/development-of-high-power-diode-lasers-with-beam-parameter-product-below-2-mmxmrad-within-the-bridle-project
High power broad-area diode lasers are the most efficient source of optical energy, but cannot directly address many applications due to their high lateral beam parameter product BPP = 0.25 × ΘL95%x…
Separate phase-locking and coherent combining of two laser diodes in a Michelson cavity
/en/research/publications/separate-phase-locking-and-coherent-combining-of-two-laser-diodes-in-a-michelson-cavity
We describe a new coherent beam combining architecture based on passive phase-locking of two laser diodes in a Michelson external cavity on their rear facet, and their coherent combination on the…
Progress in high-energy-class diode laser pump sources
/en/research/publications/progress-in-high-energy-class-diode-laser-pump-sources
A new generation of diode-pumped high-energy-class solid-state laser facilities is in development that generate multijoule pulse energies at around 10 Hz. Currently deployed quasi-continuous-wave…
Watt-level continuous-wave diode lasers at 1180 nm with high spectral brightness
/en/research/publications/watt-level-continuous-wave-diode-lasers-at-1180-nm-with-high-spectral-brightness
Distributed Bragg reflector (DBR) tapered lasers emitting near 1180 nm were developed. The integration of DBR surface gratings in an edge-emitting laser structure with a highly strained quantum well…
Coupling of a high-power tapered diode laser beam into a single-mode-fiber within a compact module
/en/research/publications/coupling-of-a-high-power-tapered-diode-laser-beam-into-a-single-mode-fiber-within-a-compact-module
In this work, coupling of radiation generated by a distributed Bragg reflector (DBR) tapered diode laser around 1064 nm into a single-mode-fiber (SMF) within a butterfly module with a footprint <…
Assessment of high-power kW-class single-diode bars for use in highly efficient pulsed solid-state laser systems
/en/research/publications/assessment-of-high-power-kw-class-single-diode-bars-for-use-in-highly-efficient-pulsed-solid-state-laser-systems
In this work, we present measurements of efficiency-optimized 940 nm diode laser bars with long resonators that are constructed with robustly passivated output facets at the Ferdinand-Braun-Institut…
High power UV-B LEDs with long lifetime
/en/research/publications/high-power-uv-b-leds-with-long-lifetime
UV light emitters in the UV-B spectral range between 280 nm and 320 nm are of great interest for applications such as phototherapy, gas sensing, plant growth lighting, and UV curing. In this paper we…