Stefan Mueller
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View article: femtoPro: real-time linear and nonlinear optics simulations
femtoPro: real-time linear and nonlinear optics simulations Open
Real-time optics and spectroscopy simulations ideally provide results at update rates of 120 Hz or more without any noticeable delay between changing input parameters and the calculated results. Such calculations require models of sufficie…
View article: Cogwheel phase cycling in population-detected optical coherent multidimensional spectroscopy
Cogwheel phase cycling in population-detected optical coherent multidimensional spectroscopy Open
An integral procedure in every coherent multidimensional spectroscopy experiment is to suppress undesired background signals. For that purpose, one can employ a particular phase-matching geometry or phase cycling, a procedure that was adap…
View article: Growth and Fabrication of Quasivertical Current Aperture Vertical Electron Transistor Structures
Growth and Fabrication of Quasivertical Current Aperture Vertical Electron Transistor Structures Open
The current aperture vertical electron transistor (CAVET) combines the high carrier mobility of the AlGaN/GaN heterostructure with the better electric field distribution of the vertical topology, allowing for higher power densities if comp…
View article: Optimization of Metal‐Organic Chemical Vapor Deposition Regrown n‐GaN
Optimization of Metal‐Organic Chemical Vapor Deposition Regrown n‐GaN Open
GaN devices for high‐frequency and high‐power applications often need n‐doped GaN layers on top of their structures. Such layers can be either grown in an epitaxial reactor or formed by implantation or annealing of Si‐containing layers (e.…
View article: Interpolatory estimates, Riesz transforms and wavelet projections
Interpolatory estimates, Riesz transforms and wavelet projections Open
We prove that directional wavelet projections and Riesz transforms are related by interpolatory estimates. The exponents of interpolation depend on the Hölder estimates of the wavelet system. This paper complements and continues previous w…