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Impact of Carrier Nonpinning Effect on Thermal Power Saturation in GaAs-Based High Power Diode Lasers
/forschung/publikationen/impact-of-carrier-nonpinning-effect-on-thermal-power-saturation-in-gaas-based-high-power-diode-lasers
A root-cause analysis of thermal power saturation in broad area diode lasers is presented. Thermal power saturation limits in largest parts the optical power in continuous wave (CW) driven diode…
Coherent beam combining of high power quasi continuous wave tapered amplifiers
/forschung/publikationen/coherent-beam-combining-of-high-power-quasi-continuous-wave-tapered-amplifiers
We demonstrate coherent beam combining of four high brightness tapered amplifiers in pulsed, quasi continuous wave (QCW) operation, seeded by a 976 nm laser diode. The maximum power of…
Development and qualification of miniaturized, UHV-compatible optical systems for integrated atomic quantum technologies
/forschung/publikationen/development-and-qualification-of-miniaturized-uhv-compatible-optical-systems-for-integrated-atomic-quantum-technologies
While generation, manipulation, and detection of atomic quantum states in ultra-cold matter is well established within laboratory environments, the transfer of these techniques into field-compatible,…
Continuous wave THz source based on an electrically tunable monolithic two-color semiconductor diode laser
/forschung/publikationen/continuous-wave-thz-source-based-on-an-electrically-tunable-monolithic-two-color-semiconductor-diode-laser
We present a compact coherent CW THz source, based on optical heterodyning of a monolithically integrated two-color distributed Bragg reflector (DBR) semiconductor laser emitting at 785 nm with…
Passively mode-locked quantum-well semiconductor laser subject to ultra-short optical self-feedback with nanometric fine-delay
/forschung/publikationen/passively-mode-locked-quantum-well-semiconductor-laser-subject-to-ultra-short-optical-self-feedback-with-nanometric-fine-delay
Monolithic passively mode-locked (PML) semiconductor lasers emitting at 1070 nm are promising ultra-fast sources for new prospective photonic transport systems in a 1 µm transmission…
Dual-Wavelength Y-Branch DBR-RW Diode Laser at 785 nm with Adjustable Spectral Distance from 0 up to 1.6 nm
/forschung/publikationen/dual-wavelength-y-branch-dbr-rw-diode-laser-at-785-nm-with-adjustable-spectral-distance-from-0-up-to-16-nm
For several applications compact light sources are requested providing two stabilised wavelengths with a narrow linewidth. Applications are shifted excitation Raman difference spectroscopy (SERDS)…
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…