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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…
The quest for ultraviolet vertical-cavity surface-emitting lasers
/forschung/publikationen/the-quest-for-ultraviolet-vertical-cavity-surface-emitting-lasers
We daily rely upon vertical-cavity surface-emitting lasers (VCSELs) for facial recognition and data communication. These lasers are now experiencing exponential growth and serves in other…
UV generation via periodically poled MgO:LiTaO3 circular waveguide crystal and diode-based master oscillator power amplifier
/forschung/publikationen/uv-generation-via-periodically-poled-mgolitao3-circular-waveguide-crystal-and-diode-based-master-oscillator-power-amplifier
Lasers with emission wavelengths in the near-ultraviolet (UV) spectral range have been used in many applications across various fields, and the demand for these lasers has been on the rise. For…
Proposal for a long-lived quantum memory using matter-wave optics with Bose-Einstein condensates in microgravity
/forschung/publikationen/proposal-for-a-long-lived-quantum-memory-using-matter-wave-optics-with-bose-einstein-condensates-in-microgravity
Bose-Einstein condensates are a promising platform for optical quantum memories but suffer from several decoherence mechanisms, leading to short memory lifetimes. While some of these decoherence…
Evaluation of DNA lesions and radicals generated by a 233 nm far-UVC LED in superficial ex vivo skin wounds
/forschung/publikationen/evaluation-of-dna-lesions-and-radicals-generated-by-a-233-nm-far-uvc-led-in-superficial-ex-vivo-skin-wounds
The application of a far-ultraviolet C (UVC) light emitting diode (LED) of 233 nm showed significant bactericidal efficacy at an applied dose between 20 and 80 mJ cm-2 as reported…
Modulated-Input Control and Linearization of a Multi-Port Millimeter-Wave PA by VNA-based Calibrated Wideband Measurements
/forschung/publikationen/modulated-input-control-and-linearization-of-a-multi-port-millimeter-wave-pa-by-vna-based-calibrated-wideband-measurements
An on-wafer multi-port measurement system based on a vector network analyzer (VNA) is exploited in order to perform the wideband characterization and linearization of a dual input Doherty power…
Broadband Hetero-Integration of InP Chiplets on SiGe BiCMOS for mm-Wave MMICs up to 325 GHz
/forschung/publikationen/broadband-hetero-integration-of-inp-chiplets-on-sige-bicmos-for-mm-wave-mmics-up-to-325-ghz
We present a broadband flip-chip approach for the hetero-integration of indium phosphide based chiplets on a BiCMOS carrier. To accommodate for a limited temperature budget, the process temperatures…