Refine
Year of publication
Document Type
- Article (380) (remove)
Institute
- Wirtschaft (131)
- Forschungszentrum Mikrotechnik (80)
- Forschungszentrum Business Informatics (56)
- Technik | Engineering & Technology (47)
- Department of Computer Science (Ende 2021 aufgelöst; Integration in die übergeordnete OE Technik) (46)
- Soziales & Gesundheit (41)
- Forschungszentrum Energie (37)
- Forschungsgruppe Empirische Sozialwissenschaften (22)
- Didaktik (mit 31.03.2021 aufgelöst; Integration ins TELL Center) (20)
- Josef Ressel Zentrum für Materialbearbeitung (15)
Language
- English (228)
- German (150)
- Multiple languages (2)
Has Fulltext
- no (380) (remove)
Keywords
- Laser ablation (7)
- Entscheidung (6)
- Schreibdidaktik (5)
- Volatile organic compounds (5)
- Ausscheidung (4)
- Evolution strategy (4)
- Organisation (4)
- Soziale Arbeit (4)
- AWG (3)
- Evolution strategies (3)
- Mathematical model (3)
- Aldehydes (2)
- Beobachtung (2)
- Bisexuality (2)
- Bregman distance (2)
- Business Analytics (2)
- Computer Communication Networks (2)
- Constrained optimization (2)
- Controlling (2)
- Credit risk (2)
- Demand side management (2)
- Dissolution rate monitor (2)
- Distributed storage (2)
- Elternschaft (2)
- Excel (2)
- Forschung (2)
- Fragmentation patterns (2)
- Gas Chromatography-Mass Spectrometry (2)
- Gender (2)
- Gleichstellung (2)
- Grid balancing (2)
- Heat pump (2)
- High-speed optical techniques (2)
- Homosexuality (2)
- Humans (2)
- Klassismus (2)
- Kommunikation (2)
- Laser beam machining (2)
- Male (2)
- Modeling (2)
- Multiple priors (2)
- NO+ reactions (2)
- New Work und New Leadership (2)
- Optimization (2)
- Organic Rankine Cycle (2)
- PTR-MS (2)
- Pflegeheim (2)
- Prognose (2)
- Relative entropy (2)
- SRI-TOF-MS (2)
- Social stigma (2)
- Sozialarbeitswissenschaft (2)
- Stress testing (2)
- Tomography (2)
- VOCs (2)
- Vectors (2)
- Y-branch splitter (2)
- Zeitreihenanalyse (2)
- conically constrained problem (2)
- convex integral functional (2)
- debriefing (2)
- f-divergence (2)
- generalized exponential family (2)
- linear programming (2)
- mHealth (2)
- photonics (2)
- portfolio optimization (2)
- repair by projection (2)
- self-adaptation (2)
- wind energy (2)
- Ärztliche Koordination (2)
- 2768 Plasmasphere (1)
- 2784 Solar wind/magnetosphere interactions (1)
- 3D MMI splitter (1)
- 3D Y-branch splitter (1)
- 3D splitter (1)
- 92C35 (1)
- 92C45 (1)
- 93B07 (1)
- 93C10 (1)
- AWG-spectrometer (1)
- AZ MiR 701 (1)
- Ablation efficiency (1)
- Accounting/Auditing (1)
- Acetone (1)
- Active alignment (1)
- Active matrix adaptation evolution strategy (1)
- Adult (1)
- Agent based modeling (1)
- Air (1)
- AlGaN/GaN HEMT (1)
- Algorithm comparison (1)
- Algorithm design and analysis (1)
- Alkanes (1)
- Alkenes (1)
- Altenheim (1)
- Alter (1)
- Altern (1)
- Altern in häuslicher Umgebung (1)
- Analytical models (1)
- Animals (1)
- Anthropocentrism (1)
- Application (1)
- Applications of Mathematics (1)
- Approximation methods (1)
- Artificial intelligence (1)
- Asset pricing (1)
- Automated Adjustment (1)
- Automotive application (1)
- Autonomous optimization (1)
- BWL (1)
- Bankruptcy (1)
- Batteries (1)
- Battery storage (1)
- Bedeutungskonstruktion (1)
- Beobachter (1)
- Betreutes Wohnen (1)
- Bilge water (1)
- Biochemistry, general (1)
- Biodegradable polymers (1)
- Biomarker (1)
- Biophysics and Biological Physics (1)
- Biosensor (1)
- Biosensors (1)
- Biotechnology (1)
- Black-box optimization benchmarking (1)
- Blood analysis (1)
- Brainstorming (1)
- Breath analysis (1)
- Breath gas analysis (1)
- Bregman distance ball (1)
- Buddhistische Heilkunst (1)
- Buddhistische Kampfkunst (1)
- Buddhistische Psychologie (1)
- Budo (1)
- Bulk micromachining (1)
- Burst mode (1)
- Business Information Systems (1)
- Business/Management Science, general (1)
- CMSA-ES (1)
- COMMUNICATION (1)
- CORPORATE culture (1)
- CORPORATIONS (1)
- COSMO-RS (1)
- CRESS satellite (1)
- Cardiovascular Diseases (1)
- Cell Biology (1)
- Cell Line (1)
- Cellulose Fiber Solar Cell (1)
- Change Management in Non-Profit-Organisationen (1)
- Characterization (1)
- Chemical sensors (1)
- Chronoamperometry (1)
- Civil Engineering (1)
- Classical Continuum Physics (1)
- Clathrate Hydrates (1)
- Coal (1)
- Coding and Information Theory (1)
- Colloidal films (1)
- Communications Engineering, Networks (1)
- Compassionate curriculum (1)
- Computational creativity (1)
- Computational fluid dynamics (1)
- Computer Science, general (1)
- Computer System Implementation (1)
- Computer Systems Organization and Communication Networks (1)
- Computer-generated art (1)
- Conduction bands (1)
- Conically constrained problem (1)
- Constrained Optimization (1)
- Constraint optimization (1)
- Convex functions (1)
- Copper (1)
- Coupling of Fiber Array (1)
- Covariance matrices (1)
- Covariance matrix (1)
- Covariance matrix adaptation (1)
- Covid (1)
- Covid-19 (1)
- Cracking (1)
- Cross-Channel Management (1)
- Cultural Competence (1)
- Cultural competence (1)
- Cultural sensitivity (1)
- Cycle-olefin polymer (COP) (1)
- D52 (1)
- D53 (1)
- DRM (1)
- Data Encryption (1)
- Data Structures, Cryptology and Information Theory (1)
- Demand response (1)
- Desalination (1)
- Dialog (1)
- Diodes (1)
- Discrimination (1)
- Distributed feedback lasers (1)
- Doerte Resch Pascal Dey (1)
- Dokumentenanalyse (1)
- Domestic hot water heater (1)
- Double auction (1)
- Dow Jones Index (1)
- Duchenne muscular dystrophy (1)
- Dupuit–Forchheimer (1)
- Dye lasers (1)
- EBIT (1)
- EBITDA (1)
- Earthquake (1)
- Economic Theory (1)
- Economics general (1)
- Electrical Engineering (1)
- Electrochemical biosensor (1)
- Electrochemical detection (1)
- Electrodes (1)
- Electronic mail (1)
- Elemental semiconductors (1)
- Ellipsoid model (1)
- Ellipsoids (1)
- Emission rate (1)
- End-stage renal disease (1)
- Endogenous risk (1)
- Entrapment (1)
- Entrapped victims (1)
- Entropy (1)
- Ethik (1)
- Evaluation (1)
- Evolution (biology) (1)
- Evolution Strategies (1)
- Excimer lasers (1)
- Excited States (1)
- Exhalation (1)
- Exhaled breath analysis (1)
- FTTx (1)
- Fachkräftemangel (1)
- Familienpolitik (1)
- Familienzentren (1)
- Feedback (1)
- Feedforward (1)
- Female (1)
- Femtosecond ablation (1)
- Femtosecond laser (1)
- Fiber arrays (1)
- Fire sales (1)
- Fluid Flow (1)
- Fokusgruppen (1)
- Free cashflow (1)
- G01 (1)
- G33 (1)
- GC–MS (1)
- GERMANY (1)
- Game Theory, Economics, Social and Behav. Sciences (1)
- Gaming (1)
- Geotechnical Engineering & Applied Earth Sciences (1)
- Gesundheit (1)
- Grippe (1)
- HDH (1)
- HUVEC (1)
- Health and social care professionals (1)
- Health inequality (1)
- Health-monitoring (1)
- Heat transfer (1)
- Hemodialysis (1)
- Heterocyclic compounds (1)
- Hole-transport layer (1)
- Hot States (1)
- Hot embossing (1)
- Human odor (1)
- Human scent (1)
- Human skin emanation (1)
- Human volatilome (1)
- Hydrogen (1)
- Hydrogeology (1)
- I-divergence ball (1)
- IDA (1)
- Industrial Chemistry/Chemical Engineering (1)
- Infografik (1)
- Information Systems Applications (incl. Internet) (1)
- Informationstechnologie (1)
- Interdigitated electrode array (1)
- Interdigitated electrode array (IDA) (1)
- Interventionen (1)
- Interviews (1)
- Inverse problem (1)
- Iron oxide (1)
- Isoprene (1)
- Jugend (1)
- Kalkül (1)
- Kennzahlen (1)
- Key performance indicators (KPIs) (1)
- Kindheit (1)
- Kindheitspädagogik (1)
- Klimabewegungen (1)
- Klimagerechtigkeit (1)
- Knowledge acquisition (1)
- Konstruktivismus (1)
- Kot (1)
- Kreisgespräch (1)
- Kultur (1)
- LEADERSHIP (1)
- LGBT+ (1)
- LSMO membrane (1)
- Lab-on-a-Chip (1)
- Lab-on-a-chip (1)
- Lab-on-a-chip (LOC) (1)
- Laser materials processing (1)
- Lattice Boltzmann (1)
- Lebenswelt (1)
- Legal Aspects of Computing (1)
- Leverage (1)
- Levodopa (1)
- Li (1)
- Light-emitting diodes (1)
- Limit of Detection (1)
- Literaturanalyse (1)
- Lithography simulation (1)
- LoF (1)
- Log-periodic antenna (1)
- Looping cycle (1)
- Manganese (1)
- Marketing (1)
- Mask aligner (1)
- Mask-Aligner (1)
- Mask-Aligner lithography simulation (1)
- Mathematical and Computational Biology (1)
- Matrix adaptation evolution strategy (1)
- Maximum loss (1)
- Maßnahmen (1)
- McNamara-Trugschluss (1)
- Meta evolution strategies (1)
- Microbolometer (1)
- Micromachining (1)
- Microneedle (1)
- Microsphere lithography (1)
- Middle Aged (1)
- Migrants/Refugees (1)
- Minimization (1)
- Modallogik (1)
- Model predictive control (MPC) (1)
- Model risk (1)
- Monte Carlo Ray Tracing (1)
- Monte-Carlo ray tracing (1)
- Multi-criteria evaluation (1)
- Multichannel Management (1)
- Muscle (1)
- Muscle Cells (1)
- Muscle, Skeletal (1)
- Mutation strength adaptation (1)
- Nanogap (1)
- Nanogap sensor (1)
- Navier–Stokes (1)
- Needle trap (1)
- Noisy optimization (1)
- OCT (1)
- ORGANIZATIONAL behavior (1)
- Omni-Channel Management (1)
- Optical lithography (1)
- Optical measurements (1)
- Optical splitter (1)
- Organic solar cells (1)
- Organisationsdesign (1)
- Organization culture (1)
- PICs (1)
- Palliativmedizin (1)
- Pandemie (1)
- Parenting (1)
- Parkinson’s disease (1)
- Passivation (1)
- Permeability (1)
- Pflege (1)
- Pflegefamilie (1)
- Pflegerobotic (1)
- Pflegetechnologie (1)
- Pflegeunterstützung (1)
- Pharmacology/Toxicology (1)
- Phosphor layer (1)
- Photocurrent mapping (1)
- Photonic crystal (1)
- Photonics (1)
- Photonics integrated circuit (1)
- Photoresist (1)
- Photoresist calibration (1)
- Physics - Optics (1)
- Picosecond-neodymium-vanadate laser (1)
- Polycrystalline diamond (1)
- Polymer (1)
- Porosity (1)
- Porous (1)
- Portfolios (1)
- Praxisinnovation (1)
- Praxisorientierung (1)
- Prediction error method (1)
- Problem (1)
- Problemlösung (1)
- Proximity printing (1)
- PubChem (1)
- Pump-probe microscopy (1)
- Quantifizierung (1)
- Quantum Dots (1)
- Quantum Optics (1)
- RESEARCH (1)
- Random variables (1)
- Rats (1)
- Redeobjekt (1)
- Redox cycling (1)
- Reflexionsfähigkeiten (1)
- Reflexionspapiere (1)
- Release (1)
- Repair by projection (1)
- Reproducibility of Results (1)
- Repurposed (1)
- Repurposed vehicle ZEBRA battery (1)
- Risk measures (1)
- Rollenspiele (1)
- SPME-GCMS (1)
- SPR 955-CM (1)
- Scanning electron microscopy (1)
- Scenario analysis (1)
- Schultransition (1)
- Search and rescue operation (1)
- Second harmonic generation (1)
- Self-Adaptation (1)
- Self‐passivation (1)
- Shaolin (1)
- Si3N4 waveguides (1)
- SiC MEMS (1)
- Silicon (1)
- Simultaneous irradiation (1)
- Social inequality (1)
- Social justice (1)
- Software Engineering/Programming and Operating Systems (1)
- Solar reactor (1)
- Solid Phase Microextraction (1)
- Sozialisation (1)
- Spatial inhomogeneity (1)
- Special Purpose and Application-Based Systems (1)
- Speciesism (1)
- Spectral multiplex (1)
- SrTiO3 single crystals (1)
- Standards (1)
- State estimation (1)
- Status Quo (1)
- Steel (1)
- Stochastic gradient approximation (1)
- Surface potential distribution (1)
- Surface roughness (1)
- Sustainability (1)
- Syngas (1)
- System identification (1)
- Systemic risk (1)
- Technik (1)
- Temperature (1)
- Temperature Dependency (1)
- Terahertz radiation (1)
- Textile (1)
- Thermal energy storage (1)
- Thermochemical (1)
- Thermochemical fuel production (1)
- Time Factors (1)
- Time complexity (1)
- Trade on networks (1)
- Training needs (1)
- Transgender persons (1)
- Two color excitation (1)
- UV laser ablation (1)
- Ultra-short pulse laser (1)
- Ultrashort pulses microfabrication (1)
- Uptake (1)
- Urban environment (1)
- Uremic syndrome (1)
- VOC (1)
- Vehicle batteries (1)
- Visueller Journalismus (1)
- Volatile marker (1)
- Volatile organic compound (1)
- WDM-PON system (1)
- Wahrheit (1)
- Wastewater treatment (1)
- Wertschöpfung (1)
- Wirtschaftsordnung (1)
- Working fluid (1)
- Worst case (1)
- Worst case search (1)
- Zeit (1)
- ablation (1)
- algorithm engineering (1)
- alternative Performancekennzahlen (1)
- arrayed waveguide gratings (1)
- beam propagation method (1)
- bebaute Umwelt (1)
- business administration skills (1)
- business plan preparation skills (1)
- cardinality constraint (1)
- children’s rights (1)
- concave programming (1)
- conceptual model (1)
- constraint covariance matrix self-adaptation evolution strategy design (1)
- constraint handling (1)
- constructivism (1)
- covariance matrices (1)
- covariance matrix self-adaptation evolution strategy (1)
- cumulative step size adaptation (1)
- decolonization (1)
- design (1)
- digitale Soziale Arbeit (1)
- discourse network analysis (1)
- divergence preferences (1)
- eigenständiges Denken (1)
- elastic constants (1)
- ellipsoid model (1)
- elliptic constraint (1)
- entrepreneurial attitudes (1)
- entrepreneurial ecosystems (1)
- entrepreneurship education (1)
- environmental degradation (1)
- examples of debriefing methods (1)
- expected value minimization (1)
- experimentelle Lehr- und Lernformen (1)
- f-divergence ball (1)
- facilitation (1)
- fear-of-failure (1)
- female entrepreneurship (1)
- femtosecond laser ablation (1)
- femtosecond-laser (1)
- finance (1)
- financial participation (1)
- fintech (1)
- flow in porous media (1)
- friction (1)
- fäkale Ausscheidung (1)
- game-based competition (1)
- gas sensing (1)
- gender effects (1)
- geomagnetic activity (1)
- global health (1)
- hard tissue (1)
- high-growth firms (1)
- hyperbolic constraint (1)
- information geometry (1)
- information theoretic multiple priors (1)
- insertion loss (1)
- intermediate recombination (1)
- international cooperation (1)
- investment (1)
- kollektive Intelligenz (1)
- laser ablation (1)
- laser microtexturing (1)
- laser writing optical lithography (1)
- leadership and management (1)
- leadership development (1)
- learning and motivation effects (1)
- level set (1)
- life cycle (1)
- light propagation (1)
- linear inequalities (1)
- logic model (1)
- logical coupling (1)
- long-term effects (1)
- long-term growth (1)
- management simulation (1)
- maximum entropy principle (1)
- mesh generation (1)
- microscopy (1)
- miniaturization (1)
- minimisation (1)
- mixed linear-nonlinear constrained optimization problem (1)
- modelling (1)
- multiscale (1)
- nonconvex optimization (1)
- nonconvex optimization problem (1)
- nonlinear constraint (1)
- nonlinear dynamics (1)
- nonlinear programming (1)
- oa (1)
- optical power splitter (1)
- optical properties (1)
- optical switch (1)
- optical waveguides (1)
- organic solar cells (1)
- parabolic constraint (1)
- parallel microdiodes (1)
- patient adherence (1)
- pejoPapers (1)
- photocurrent mapping (1)
- photonic integrated circuits (1)
- plasmapause (1)
- plausible prior distributions (1)
- polarization dependent loss. (1)
- polymer (1)
- power dynamics (1)
- printed (1)
- probability (1)
- problem-oriented learning (1)
- progress rate (1)
- pump-probe (1)
- renewable energy (1)
- rib waveguides (1)
- risk measure (1)
- rotordynamics (1)
- school exclusion (1)
- school suspension (1)
- scroll expander (1)
- sensor (1)
- shared leadership (1)
- silicon carbide (1)
- silicon laser ablation (1)
- silicon nitride (1)
- skills (1)
- small scale (1)
- social acceptance (1)
- socio-political acceptance (1)
- solar wind (1)
- sol‐gel processing (1)
- spatial homogeneity (1)
- spectral domain OCT (1)
- startup simulation games (1)
- stationäre Altenhilfe (1)
- surface characterization (1)
- surface termination (1)
- systems theory (1)
- technology legitimacy (1)
- telecommunication (1)
- telecommunications (1)
- telemedicine (1)
- temperature sensitivity of parameters (1)
- theory-based evaluation (1)
- thin film (1)
- time series (1)
- time series data (1)
- tribological characterization (1)
- two-dimensional morphology (1)
- two-temperature model (1)
- ultra-short pulsed laser (1)
- ultrafast laser (1)
- ultrashort pulse laser (1)
- unicorn start-ups (1)
- virtual teams (1)
- waste heat recovery (1)
- wear (1)
- women entrepreneurship (1)
- Östereichische Gesellschaft für Soziale Arbeit (1)
We present a new concept of 3D polymer-based 1 × 4 beam splitter for wavelength splitting around 1550 nm. The beam splitter consists of IP-Dip polymer as a core and polydimethylsiloxane (PDMS) Sylgard 184 as a cladding. The splitter was designed and simulated with two different photonics tools and the results show high splitting ratio for single-mode and multi-mode operation with low losses. Based on the simulations, a 3D beam splitter was designed and realized using direct laser writing (DLW) process with adaptation to coupling to standard single-mode fiber. With respect to the technological limits, the multi-mode splitter having core of (4 × 4) μm 2 was designed and fabricated together with supporting stable mechanical construction. Splitting properties were investigated by intensity monitoring of splitter outputs using optical microscopy and near-field scanning optical microscopy. In the development phase, the optical performance of fabricated beam splitter was examined by splitting of short visible wavelengths using red light emitting diode. Finally, the splitting of 1550 nm laser light was studied in detail by near-field measurements and compared with the simulated results. The nearly single-mode operation was observed and the shape of propagating mode and mode field diameter was well recognized.
A covariance matrix self-adaptation evolution strategy for optimization under linear constraints
(2018)
Purpose – The purpose of this study is to explore the exogenous and endogenous drivers of the high-growth of Unicorn start-ups along their life cycle, with a particular focus on Unicorns in the fintech industry.
Design/methodology/approach – The study employs an explorative longitudinal analysis with a matched pair of two cases of Unicorns start-ups with similar antecedent features to understand holistically drivers over the longer term.
Findings – High-growth patterns over the longer term are the result of a combined industry- and company-life cycle perspective. Drivers and growth patterns vary significantly according to the time of entry in the industry and
its development status. The findings are systematised within a set of propositions to be tested in future research.
Research limitations/implications – The limitations lie in empirical evidence, as the analysis is limited to one matched-pair. The revealed Unicorns’ drivers for long-term growth might encourage future research to further investigate these drivers on a larger scale.
Practical implications – The study offers practical recommendations for start-ups with high-growth ambitions and advice to policy makers regarding the development of tailor-made support programs.
Originality/value – The study significantly extends extant work on growth and high-growth by examining endogenous and exogenous triggers over time and by linking the Unicorn-life cycle to the industry life cycle, an approach which has, to the best of the authors’ knowledge, not yet been applied.
A multi-recombinative active matrix adaptation evolution strategy for constrained optimization
(2019)
Synthetic polymers, such as polyamide (PA), inherently possess a moderate number of surface functionalities compared to natural polymers, which negatively impacts the uniformity of metallic coatings obtained through wet-chemical methods like electroless plating. The paper presents the use of a siloxane interlayer formed from the condensation of the hydrolyzed 3-triethoxysilylpropyl succinic anhydride (TESPSA) precursor as a strategy to modify the surface properties of polyamide 6.6 (PA66) fabrics and improve the uniformity of the copper surface coating. The application of the siloxane intermediate coating demonstrates a significant improvement in electrical conductivity, up to 20 times higher than fabrics without the interlayer. The morphology of the coatings was investigated using scanning electron (SEM) and laser confocal scanning microscopy (LSM). In addition, dye adsorption, flexural rigidity, air permeability and contact angle measurements were conducted to monitor the change in the PA66 properties after the siloxane functionalization.
A systemic-constructivist approach to the facilitation and debriefing of simulations and games
(2010)
Issues with professional conduct and discrimination against Lesbian, Gay, Bisexual, Transgender (LGBT+) people in health and social care, continue to exist in most EU countries and worldwide.
The project IENE9 titled: “Developing a culturally competent and compassionate LGBT+ curriculum in health and social care education” aims to enable teacher/trainers of theory and practice to enhance their skills regarding LGBT+ issues and develop teaching tools to support the inclusion of LGBT+ issues within health and social care curricula. The newly culturally competent and compassionate LGBT+ curriculum will be delivered though a Massive Open Online Course (MOOC) which is aimed at health and social care workers, professionals and learners across Europe and worldwide.
We have identified educational policies and guidelines at institutions teaching in health and social care, taken into account for developing the learning/teaching resources. The MOOC will be an innovative training model based on the Papadopoulos (2014) model for “Culturally Competent Compassion”. The module provides a logical and easy to follow structure based on its four constructs 'Culturally Aware and Compassionate Learning', 'Culturally Knowledgeable and Compassionate Learning', 'Culturally Sensitive and Compassionate Learning', 'Culturally Competent and Compassionate Learning'.
Specific training may result in better knowledge and skills of the health and social care workforce, which helps to reduce inequalities and communication with LGBT+ people, as well as diminishing the feelings of stigma or discrimination experienced.
Akademische Lehre 2.0
(2014)
Alles muss raus
(2022)
An electrochemical study with three redox substances on a carbon based nanogap electrode array
(2020)
Analysis of the (μ/μI,λ)-CSA-ES with repair by projection applied to a conically constrained problem
(2019)
Arrayed Waveguide Grating (AWG) is a passive optical component, which have found applications in a wide range of photonic applications including telecommunications and medicine. Silica-on-Silicon (SoS) based AWGs use a low refractive-index contrast between the core (waveguide) and the cladding which leads to some significant advantages such as low propagation losses and low fiber coupling losses between the AWG waveguides and the fibres. Therefore, they are an attractive DWDM solution offering higher channel count technology and good performance characteristics compared to other methods. However, the very low refractive-index contrast means the bending radius of the waveguides needs to be very large (on the order of several millimeters) and may not fall below a particular critical value to suppress bending losses. As a result, silica-based waveguide devices usually have a very large size that limits the integration density of SiO2-based photonic integrated devices. High-index contrast AWGs (such as silicon, silicon nitride or polymer-based waveguide devices) feature much smaller waveguide size compared to low index contrast AWGs. Such compact devices can easily be implemented on a chip and have already found applications in emerging applications such as optical sensors, devices for DNA diagnostics and optical spectrometers for infrared spectroscopy.In this work, we present the design, simulation, technological verification and applications of both, the low-index contrast and high-index contrast AWGs. For telecommunication applications AWG-MUX/Demux with up to 128-channels will be presented. For medical applications the AWG-spectrometer with up to 512-channels will be presented.This work was carried out in the framework of the projects: ADOPT No. SK-AT-20-0012, NOVASiN No. SK-AT-20-0017 and AUTOPIC No. APVV-17-0662 from Slovak research and development agency of Ministry of Education, Science, Research and Sport of the Slovak Republic and No. SK 07/2021 and SK 08/2021 from Austrian Agency for International Cooperation in Education and Research (OeAD-GmbH); and project PASTEL, no. 2020-10-15-001, funded by SAIA.
Assessing antecedents of entrepreneurial activities of academics at south african universities
(2016)
Ausgehandeltes Verständnis
(2020)
Entscheidungen über die optimierte organisatorische Wertschöpfung werden oft von mehreren Personen getroffen. Möchte die entscheidungsorientierte BWL anwendungsorientiert sein, legt sie den Fokus auf das Gewebe von aufeinander verweisenden (entscheidungsfördernden) Kommunikationen zu legen und auf der Erkenntnisfigur des Beobachters aufzubauen.
Ausrechnen oder aushandeln?
(2023)
Besser entscheiden
(2021)
Unüberschaubar viele Vorschläge des systematischen Entscheidens führen bei bestimmten Rahmenbedingungen zum Erfolg. Die berufliche Praxis weicht aber zumeist stark davon ab, daher sind viele Methoden unbrauchbar. Wie kann man dennoch seine Fähigkeit zu Entscheiden verbessern? Man orientiert sich an grundlegenden Handlungsmaximen.
Beyond the Four-Level Model: Dark and Hot States in Quantum Dots Degrade Photonic Entanglement
(2023)
Entangled photon pairs are essential for a multitude of quantum photonic applications. To date, the best performing solid-state quantum emitters of entangled photons are semiconductor quantum dots operated around liquid-helium temperatures. To favor the widespread deployment of these sources, it is important to explore and understand their behavior at temperatures accessible with compact Stirling coolers. Here we study the polarization entanglement among photon pairs from the biexciton–exciton cascade in GaAs quantum dots at temperatures up to ∼65 K. We observe entanglement degradation accompanied by changes in decay dynamics, which we ascribe to thermal population and depopulation of hot and dark states in addition to the four levels relevant for photon pair generation. Detailed calculations considering the presence and characteristics of the additional states and phonon-assisted transitions support the interpretation. We expect these results to guide the optimization of quantum dots as sources of highly entangled photons at elevated temperatures.
Blood and breath profiles of volatile organic compounds in patients with end-stage renal disease
(2014)
Brainstorming ist ein Mythos
(2021)
Bridges between families
(2016)
Shaolin Wu Fo Dao – die Synthese japanischer und chinesischer Kampfkunst-Lehre auf der Grundlage zen-buddhistischer Theorie und Praxis ist eine neu geschaffene Disziplin. In dieser Fusion verbinden sich wesentliche Elemente aus Budo und Shaolin (-Wudao), deren traditionellen Körper-Geist-Übungen von Kampftechnik (Bu/Wu) und Meditation (Zen/Chan) als originäre Weg- und Heilslehre (Do/Dao) seit jeher der Persönlichkeits- und spirituellen Entwicklung des Ausübenden dienten.
Hier nun, in der Überwindung alter Grenzen zwischen japanischer und chinesischer Kampfkunstsysteme („hart“ und „weich“), wurde hier nun erstmaligen ein zusammengewachsenes Kampfkunstsystem kreiert, um die beidseits positiven Wirkungen auf den Menschen zu bündeln und – und das ist das Besondere – sie in den Dienst buddhistischer (Butsu, jap.: Buddha / chin. Fo) Psychologie und Psychotherapie zu stellen.
Die Verbindung von Budo mit Shaolin als eigenständiges praktisches Lehrkonzept, allein schon eine „revolutionäre Innovation“, erfährt durch ihren Einsatz als spezielle Methode einer Heilkunst zusätzlich Pioniercharakter in der Behandlung von Leid. Gemeint sind sowohl Ansätze aus der Budopädagogik und speziellen Budotherapie zur Heilung, Linderung oder Prävention von physischen, psychosomatischen und psychischen Krisen, Störungen, Krankheiten, Behinderungen und Leiden, als auch im Sinne des philosophischen und wissenschaftlichen Buddhismus, „das Leid in der Welt zu mindern“, zum Wohle des Menschen, für sein Glück und Frieden zu arbeiten.
In this study, we carried out the structural and thermal characterization of a medical-grade poly (lactide) (PLA) by SEC, TGA, DSC, NMR, ICP-MS and Py-GC/MS. Moreover, we investigated the laser-induced degradation occurring when ultrashort laser pulses (ULP) were employed to cut extremely thin polymer films prepared by solvent-casting. ULP polymer cutting technology is an interesting manufacturing process for its advantages in potential medical applications. In fact, heat transmission to the region surrounding the cuts is limited, so that the incisions are precise and the effects on the regions around them are small. In this way, the need for post-processing is reduced and ULP cutting becomes interesting for industrial applications. However, degradation induced by ULP may occur and compromise the properties of the polymer samples. To investigate this possibility, portions of PLA films, ultrashort laser cut (ULC) and uncut, were analysed by SEC, DSC, NMR and FTIR. Furthermore, PLA oligomers were studied by ESI-MS. Both SEC and NMR showed a decrease in the molecular weight. FTIR, ESI-MS and NMR spectra revealed the presence of olefin end groups originated from a \beta-H transfer mechanism, induced by heat and/or light (Norrish II mechanism). Additionally, the inspection of the ESI mass spectra highlighted the cleavage of ester bonds related to the Norrish I type mechanism, undetected by the other techniques.
Combining parallel pattern generation of electrohydrodynamic lithography with serial addressing
(2018)
In this paper, the design of three-dimensional configuration of Y-branch splitter is compared with Multimode Interference splitter. Both splitters use the IP-Dip polymer as a standard material for 3D laser lithography. The optical properties of the splitters for both approaches are discussed and compared.
Comparison of constraint-handling mechanisms for the (1,λ)-ES on a simple constrained problem
(2016)
Compression of ultrashort laser pulses via gated multiphoton intrapulse interference phase scans
(2014)
Controlling Analytics: Einsatz für Prognosen im Controlling - Teil 1: Fallbeschreibung und Aufgaben
(2023)
Statistische Methodenkompetenz wird im Controlling zunehmend bedeutender, so ist die evidenzbasierte Prognose durch algorithmische Analyse von Datenbeständen ein Schwerpunkt von Controlling Analytics. Die Fallstudie durchleuchtet daher anhand von Datenmaterial des Schweizer Bundesamts für Statistik das Vorgehen bei einer Datenanalyse, insbesondere beim Einsatz der Zeitregression für Prognosezwecke, und geht dabei auf methodische Besonderheiten, Caveats und Einsatzmöglichkeiten in Microsoft Excel ein.
Statistische Methodenkompetenz wird im Controlling zunehmend bedeutender, so ist die evidenzbasierte Prognose durch algorithmische Analyse von Datenbeständen ein Schwerpunkt von Controlling Analytics. Die Fallstudie durchleuchtet daher anhand von Datenmaterial des Schweizer Bundesamts für Statistik das Vorgehen bei einer Datenanalyse, insbesondere beim Einsatz der Zeitregression für Prognosezwecke, und geht dabei auf methodische Besonderheiten, Caveats und Einsatzmöglichkeiten in Microsoft Excel ein. Die Fallbeschreibung und Aufgaben sind im WiSt-Heft Nr. 4/23 zu finden.
Das CIRCU
(2016)
Das Kreisgespräch
(2023)
Das Nugget-Chart
(2022)
Der Schlüssel zur Zukunft
(2023)
The paper deals with designing and numerical modelling a 2 x 2 optical switch for photonic integrated circuits based on 2 x 2 MMI elements and phase modulators. The 2 x 2 optical switch was modelled in the RsoftCAD with the simulation tool BeamPROP. The 2 x 2 optical switch is a common element for creating more complex 1 x N or N x N optical switches in all-optical signal processing.
This paper aims to study the design, simulation, and optimization of low-loss Y-branch passive optical splitters up to 64 output ports for telecommunication applications. For a waveguide channel profile, the standard material silica-on-silicon is used. The Y-splitters are designed and simulated at telecommunication operating wavelength, λ = 1550 nm. Except for the lengths of the used Y-branches, and a core size of the waveguides, design parameters such as port pitch between the waveguides and simulation parameters for all splitters are considered fixed. The simulation results are analyzed to determine the optimum length of the splitters and the optimum core size. Based on this optimization the total length of the highest designed 1×64 Y-branch splitter was reduced by 41.14 % for a waveguide core (5×5) μm2 compared to the length of splitter with a standard (6×6) μm2 core size.
We present design of planar 16-channel, 100-GHz multi-mode polymer-based AWG. This AWG was designed for central wavelength of 1550 nm applying AWG-Parameters tool. The AWG structure was created and simulated in the commercial photonic tool PHASAR from Optiwave. Achieved transmission characteristics were evaluated by AWG-Analyzer tool. For the design, multi-mode waveguides having a cross-section of (4x4) µm2 were used. The simulated results show strong worsening of the transmission characteristics in comparison when using single-mode waveguides. Nevertheless, the transmitting channels are clearly separated. The reason for using thicker multi-mode waveguides in the design is possibility to fabricate the AWG structure on polymer basis using direct laser writing lithography.
Dialog und Beratung
(2012)
Die Realität ist keinesfalls einfach da. Sie wird vielmehr von den Beteiligten erst kommunikativ erzeugt. Einzeln und gemeinsam werden Beobachtungen und damit erzielte Ergebnisse, gedankliche Vorstellungen, argumentative Begründungen sowie grundlegende Annahmen und damit zusammenhängende Deutungen schriftlich und/oder mündlich kommuniziert und miteinander ausgetauscht.