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Narrowband GaN external cavity diode laser with 400 mW output power at 445 nm for deep ultraviolet frequency doubling
/en/research/publications/narrowband-gan-external-cavity-diode-laser-with-400-mw-output-power-at-445-nm-for-deep-ultraviolet-frequency-doubling
We present a GaN external cavity diode laser system with 400 mW optical power and an emission width of 20 pm at 445 nm suitable for frequency conversion into the UV spectral range.
Nanosecond high-current pulsed operation of ridge-waveguide lasers
/en/research/publications/nanosecond-high-current-pulsed-operation-of-ridge-waveguide-lasers
Extremely strong ns-pulses are generated with 808nm ridge-waveguide lasers. Unusual post-pulse reverse currents are revealed under excitation beyond 10A. They are attributed to the reflow of excess…
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 <…