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Polarisation-Resolved Investigations of the Pico- and Nanosecond Dynamics of Broad Area Distributed Bragg Reflector Lasers under Very High-Current Pulse Excitation
/forschung/publikationen/polarisation-resolved-investigations-of-the-pico-and-nanosecond-dynamics-of-broad-area-distributed-bragg-reflector-lasers-under-very-high-current-pulse-excitation
Diode lasers generating optical pulses with high peak power and pulse lengths in the pico- and nanosecond ranges are key components for LiDAR (Light Detection and Ranging) systems, e.g., for…
A micro-integrated mode-locked extended-cavity diode laser emitting in the wavelength range around 780 nm
/forschung/publikationen/a-micro-integrated-mode-locked-extended-cavity-diode-laser-emitting-in-the-wavelength-range-around-780-nm
Mode-locked ultra-short pulse lasers are invaluable tools in a multitude of applications ranging from medical imaging to quantum optical sensors testing fundamental physics. One application that can…
Optimization of 808 nm DBR RW Laser Bars for Operation at Low Noise and High Reliability
/forschung/publikationen/optimization-of-808-nm-dbr-rw-laser-bars-for-operation-at-low-noise-and-high-reliability
In view of recent advances of coherent optical communications in space there is an increasing demand for reliable lasers for low noise pumping of solid state lasers. In laser communication terminals…
Efficient, High Power Pumps for Mid-IR Solid State Lasers Enabled by 200 K Operation of 808 nm Diode Lasers
/forschung/publikationen/efficient-high-power-pumps-for-mid-ir-solid-state-lasers-enabled-by-200-k-operation-of-808-nm-diode-lasers
Mid-infra-red solid state lasers based on thulium and holmium-doped crystals are of increasing interest in applications in medicine, material processing and particle physics. Thulium-doped lasers can…
Narrower Far Field and Higher Efficiency in 1 kW Diode-Laser Bars Using Improved Lateral Structuring
/forschung/publikationen/narrower-far-field-and-higher-efficiency-in-1-kw-diode-laser-bars-using-improved-lateral-structuring
High power, efficient diode-laser bars with narrow far field angles are sought for many applications, for example in the 9xx nm-range for the pumping of Yb:YAG disc and slab lasers [1,2]. In previous…
Efficient Narrow Stripe Ridge Waveguide Lasers for Single-Spatial Mode Operation up to 2.5 W
/forschung/publikationen/efficient-narrow-stripe-ridge-waveguide-lasers-for-single-spatial-mode-operation-up-to-25-w
High power and efficiency enable new fields of applications for single spatial mode lasers, such as high brightness direct diode laser systems with dense wavelength multiplexing [1,2]. In previous…
Wavelength stabilized 905 nm diode lasers in the 100 W class for automotive LiDAR
/forschung/publikationen/wavelength-stabilized-905-nm-diode-lasers-in-the-100-w-class-for-automotive-lidar
Diode lasers generating optical pulses with high peak powers and pulse lengths in the nanosecond range are key components of systems for free-space communication, metrology, material processing,…
Coherent superposition of pulsed high-brightness tapered amplifiers
/forschung/publikationen/coherent-superposition-of-pulsed-high-brightness-tapered-amplifiers
Coherent beam combining (CBC) of high brightness tapered amplifiers (TPAs) is a promising approach for the development of high power semiconductor laser sources with excellent beam quality and offers…
Widely tunable Watt-level MOPA systems emitting at 976 nm
/forschung/publikationen/widely-tunable-watt-level-mopa-systems-emitting-at-976-nm
Tunable diode laser sources are key components in absorption spectroscopy, biomedical imaging and in optical telecommunication systems, to mention a few examples. The term tunable refers here to…
Determination of the Residual Amplified Spontaneous Emission in Single-Mode Semiconductor Optical Amplifiers
/forschung/publikationen/determination-of-the-residual-amplified-spontaneous-emission-in-single-mode-semiconductor-optical-amplifiers
The Master-Oscillator-Power-Amplifier (MOPA) is a laser light source best suited to provide high power, stable frequency, and narrow linewidth emission [1]. In state-of-the-art MOPA systems,…