Patrick Maier
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View article: Extracting Membrane-like hexagonal Boron Nitride hosting single Defect Centers for Resonator Integration
Extracting Membrane-like hexagonal Boron Nitride hosting single Defect Centers for Resonator Integration Open
The integration of membranes into optical resonators plays a key role in a variety of applications, including optomechanics. If such membranes host atom-like systems, ideally with access to spin states, new roads in quantum photonics and a…
View article: Tunable cavity coupling of a single SnV$^{-}$ center in nanodiamond across bad-emitter and bad-cavity regimes
Tunable cavity coupling of a single SnV$^{-}$ center in nanodiamond across bad-emitter and bad-cavity regimes Open
Efficient coupling between quantum emitters and optical cavities is essential for scalable quantum photonic technologies. Group IV vacancy centers in diamond, particularly the negatively charged tin-vacancy center, have emerged as promisin…
View article: Fabrication of customized low-loss optical resonators by combination of FIB-milling and CO<sub>2</sub> laser smoothing
Fabrication of customized low-loss optical resonators by combination of FIB-milling and CO<sub>2</sub> laser smoothing Open
Fabry-Perot cavities are essential tools for applications like precision metrology, optomechanics and quantum technologies. A major challenge is the creation of microscopic spherical mirror structures which allow the precise matching with …
View article: Fabrication of Customized, Low-Loss Optical Resonators by Combination of FIB-Milling and CO$_2$ Laser Ablation
Fabrication of Customized, Low-Loss Optical Resonators by Combination of FIB-Milling and CO$_2$ Laser Ablation Open
Fabry-Perot cavities are essential tools for applications like precision metrology, optomechanics and quantum technologies. A major challenge is the creation of microscopic spherical mirror structures which allow the precise matching with …
View article: Enhanced spectral density of a single germanium vacancy center in a nanodiamond by cavity integration
Enhanced spectral density of a single germanium vacancy center in a nanodiamond by cavity integration Open
Color centers in diamond, among them the negatively charged germanium vacancy (GeV−), are promising candidates for many applications of quantum optics, such as a quantum network. For efficient implementation, the optical transitions need t…
View article: A Quantum Repeater Platform based on Single SiV$^-$ Centers in Diamond with Cavity-Assisted, All-Optical Spin Access and Fast Coherent Driving
A Quantum Repeater Platform based on Single SiV$^-$ Centers in Diamond with Cavity-Assisted, All-Optical Spin Access and Fast Coherent Driving Open
Quantum key distribution enables secure communication based on the principles of quantum mechanics. The distance in fiber-based quantum communication is limited to about a hundred kilometers due to signal attenuation. Thus, quantum repeate…
View article: Laboratory Scaled Coal Dust Explosions and Physical Test Results for CFD Explosion Models
Laboratory Scaled Coal Dust Explosions and Physical Test Results for CFD Explosion Models Open
The work was carried out during an exchange program of several-months at the Colorado School of Mines (CSM) in Golden, Colorado. The goal of the thesis was to investigate scaled methane and coal dust explosions for the validation of CFD mo…
View article: YewPar
YewPar Open
Combinatorial search is central to many applications, yet the huge irregular search trees and the need to respect search heuristics make it hard to parallelise. We aim to improve the reuse of intricate parallel search implementations by pr…
View article: Replicable parallel branch and bound search
Replicable parallel branch and bound search Open
Combinatorial branch and bound searches are a common technique for solving global optimisation and decision problems. Their performance often depends on good search order heuristics, refined over decades of algorithms research. Parallel se…
View article: Towards Generic Scalable Parallel Combinatorial Search
Towards Generic Scalable Parallel Combinatorial Search Open
Combinatorial search problems in mathematics, e.g. in finite geometry, are notoriously hard; a state-of-the-art backtracking search algorithm can easily take months to solve a single problem. There is clearly demand for parallel combinator…
View article: Nanoscale Tipping Bucket Effect in a Quantum Dot Transistor-Based Counter
Nanoscale Tipping Bucket Effect in a Quantum Dot Transistor-Based Counter Open
Electronic circuits composed of one or more elements with inherent memory, that is, memristors, memcapacitors, and meminductors, offer lower circuit complexity and enhanced functionality for certain computational tasks. Networks of these e…
View article: Connecting Artificial Brains to Robots in a Comprehensive Simulation Framework: The Neurorobotics Platform
Connecting Artificial Brains to Robots in a Comprehensive Simulation Framework: The Neurorobotics Platform Open
Combined efforts in the fields of neuroscience, computer science, and biology allowed to design biologically realistic models of the brain based on spiking neural networks. For a proper validation of these models, an embodiment in a dynami…
View article: JIT-Based Cost Analysis for Dynamic Program Transformations
JIT-Based Cost Analysis for Dynamic Program Transformations Open
Tracing JIT compilation generates units of compilation that are easy to analyse and are known to execute frequently. The AJITPar project investigates whether the information in JIT traces can be used to dynamically transform programs for a…
View article: HPC‐GAP: engineering a 21st‐century high‐performance computer algebra system
HPC‐GAP: engineering a 21st‐century high‐performance computer algebra system Open
Summary Symbolic computation has underpinned a number of key advances in Mathematics and Computer Science. Applications are typically large and potentially highly parallel, making them good candidates for parallel execution at a variety of…