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Micro-integrated ECDLs for precision spectroscopy in space
/forschung/publikationen/micro-integrated-ecdls-for-precision-spectroscopy-in-space
We present a micro-integrated, high power, narrow linewidth extended cavity diode laser (ECDL) for precision quantum optics experiments at 780 nm onboard a sounding rocket. Although…
On the optical polarization properties of semipolar InGaN quantum wells
/forschung/publikationen/on-the-optical-polarization-properties-of-semipolar-ingan-quantum-wells
Polarized photoluminescence of strained quantum wells grown on c-plane, semipolar (1012), (1122), (1011), (2021) planes, and nonpolar GaN substrates was studied experimentally and in theory. The…
A voltage-mode class-S power amplifier for the 450 MHz band
/forschung/publikationen/a-voltage-mode-class-s-power-amplifier-for-the-450-mhz-band
This paper reports on a novel voltage-mode class-S power amplifier for the 450 MHz band, based on GaN-HEMT monolithic microwave integrated circuits (MMICs). It achieves a peak output power of…
Blue and green-emitting laser diodes
/forschung/publikationen/blue-and-green-emitting-laser-diodes
About this book: The three volumes VIII/1A, B, C document the state of the art of "Laser Physics and Applications". Scientific trends and related technological aspects are considered by…
Load-Pull Investigation of a High-Voltage RF-Power GaN-HEMT Technology in Supply Modulated Applications
/forschung/publikationen/load-pull-investigation-of-a-high-voltage-rf-power-gan-hemt-technology-in-supply-modulated-applications
In this paper the potential and limitations of using a high-voltage GaN-HEMT RF-power technology with supply modulation for increased back-off efficiency is investigated. Based on extensive on-wafer…
Diode lasers in the near infra-red spectral range
/forschung/publikationen/diode-lasers-in-the-near-infra-red-spectral-range
About this book: The three volumes VIII/1A, B, C document the state of the art of "Laser Physics and Applications". Scientific trends and related technological aspects are considered by…
Standard characterization methods
/forschung/publikationen/standard-characterization-methods
About this book: The three volumes VIII/1A, B, C document the state of the art of "Laser Physics and Applications". Scientific trends and related technological aspects are considered by…
Reliability and life time
/forschung/publikationen/reliability-and-life-time
About this book: The three volumes VIII/1A, B, C document the state of the art of "Laser Physics and Applications". Scientific trends and related technological aspects are considered by…
Defect analysis
/forschung/publikationen/defect-analysis
About this book: The three volumes VIII/1A, B, C document the state of the art of "Laser Physics and Applications". Scientific trends and related technological aspects are considered by…
20 000 h reliable operation of 100 µm stripe width 650 nm broad area lasers at more than 1.1 W output power
/forschung/publikationen/20nbsp000nbsph-reliable-operation-of-100nbspum-stripe-width-650nbspnm-broad-area-lasers-at-more-than-11nbspw-output-power
Reliability tests for highly efficient high-power 650 nm broad area diode lasers will be presented. The devices have a 5 nm thick single GaInP quantum well as an active layer, which is…