TRR 142 - Effect of extended and point defects on the ferroelectric and optical properties of LiNbO3 (B03)
The aim of this project is a deeper understanding of the effect of point defects and extended defects on the functional properties of periodically poled waveguide structures. Using a combined approach of theory and experiment, the influence of lattice defects on the optical properties of waveguides (refractive index change, photorefractive index, ...
Duration: 04/2014 - 12/2017
TRR 142 - Ab initio theory for photonic materials (B04)
In this project, we develop computational methods and perform calculations that aim at the parameter-free modeling of the photonic materials studied in the CRC with predictive accuracy. Particular attention is paid to the nonlinear optical response. The influence of electronic many-body effects, electron-phonon coupling and spin-orbit coupling is ...
Duration: 04/2014 - 03/2021
TTR 142 - Integrated SU(1,1) interferometers (C02)
The primary goal of this project phase is to develop LiNbO3 based integrated circuits for quantum metrology applications. Based on LiNbO3-tool box components developed in the first phase of the project, we plan to develop integrated non-linear SU(1,1) interferometers in different configurations. Such interferometers are a very promising tool for ...
Duration: 04/2014 - 12/2021
TRR 142 - Nonlinear optics in quantum dot molecules (C03)
In this project, nonlinear optical effects in InGaAs quantum dot molecules (QPM) are investigated. The goal is to use the QPM as a frequency converter. To this end, absorbed photons excite an exciton complex, which is transformed into another complex by applied voltage pulses on nanosecond and picosecond time scales as charges are transferred ...
Duration: 04/2014 - 12/2018
TRR 142 - Ultrafast electric control of optical polarizations and transitions (C04)
The goal of this project is the development of photonic devices with nonlinear functionalities that can be controlled by electric means. The new functional structures involve an ultrafast electronic circuit which drives a single quantum dot in a microresonator. By ultrafast Stark effect tuning we will attain coherent control over the exciton and ...
Duration: 04/2014 - 12/2021
TRR 142 - Molecular beam epitaxy of tailored GaAs-based heterostructures (Z01)
This scientific service project provides the following GaAs-based samples for other projects within TRR: Heterostructures with embedded (In,Ga)As quantum dots with tailored emission and biexciton binding energies. Schottky diodes containing quantum dot molecules. Planar GaAs/AlAs-based resonator structures with integrated quantum wells. ...
Duration: 04/2014 - 12/2017
Philosophie in den Medien
Ziel dieser Veranstaltung ist es, Medien nicht zu „verwenden“, sondern sie in einem Seminarverbund unter Einbindung der Studierenden selbst zu produzieren und damit eine Verbindung zwischen philosophischer Textinterpretation und ihrer medialen Inszenierung herzustellen, die auch den Gegenwartsbezug historischer philosophischer Texte berücksichtigt.
Duration: 04/2014 - 09/2016
Securing the Financial Cloud
Ein wichtiger Bestandteil einer sicheren Cloudarchitektur für Finanzdienstleistungen ist die Zugriffskontrolle auf sensible Daten. Diese soll innerhalb des Projekts möglichst durch attributbasierte Verschlüsselung realisiert werden. Hier können mit Hilfe von Attributen und Policies komplexe Zugriffsstrukturen direkt in dem Verschlüsselungsverfahren ...
Duration: 03/2014 - 09/2017
Contact: Prof. Dr. Stefan Sauer
The Creation of Illegal Migration in Germany in the 19th and 20th centuries
The research project seeks to describe and explain the causes, consequences and the nature of illegal migration in Germany in the 19th and 20th centuries. The aim of the project is to systematically analyse migratory illegality and rights of residence over a period of time spanning several differing epochs. It puts the questions of the steering, ...
Duration: 01/2014 - 12/2017
Contact: Michael Schubert
AGnovel - Advanced Interactive Graphic Novels on Mobile Touchscreen Devices
The project “Advanced Interactive Graphic Novels on Mobile Touchscreen Devices” is an international consortium that is part of Key Action 2 of the EU's Lifelong Learning Program. The project will run for 24 months.The project partners are eight partners from seven countries: Germany, Great Britain, Ireland, Spain, Italy, Lithuania and Cyprus. The ...
Duration: 01/2014 - 12/2015