SPP 1736 - Distributed Data Streams in Dynamic Environments (Subproject)
Duration: 04/2014 - 12/2021
Contact: Manuel Malatyali, Prof. Dr. Friedhelm Meyer auf der Heide
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 威尼斯人官网 effect tuning we will attain coherent control over the exciton and ...
Duration: 04/2014 - 12/2021
TRR 142 - Tailored ultrafast acoustics for light emission modulation (A06)
The interaction of coherent acoustic phonons and excitons in low-dimensional semiconductor structures is in the focus of this project proposal. In the experiments, picosecond strain pulses are sent through the nanostructure. The response on the ultrafast acoustic impact is monitored through the light emission and tailored by nanoscale adjustment of ...
Duration: 04/2014 - 12/2025
TRR 142; TP A01: Zwei-Photonen-Emission in Halbleitern gro?er Bandlück
Duration: 04/2014 - 12/2017
TRR 142 - Cavity enhanced two-photon physics with semiconductor quantum dots (A03)
This project is focused on two-photon processes in semiconductor microcavities with embedded quantum dots. The project work will be concentrated on the down-conversion from the biexciton state via an optically induced virtual state which leads to a cavity enhanced single photon emission. Our joint theoretical and experimental quantum optical study ...
Duration: 04/2014 - 12/2021
TRR 142 - Plasmonic nano-antenna enhanced nonlinear light emission and frequency conversion in dielectric and semiconductor micro-structures (A05)
The project deals with the enhancement of the weak light-matter interaction for nonlinear optical processes. Resonant excitation of coherent electron oscillations in metallic nanostructures can lead to strong field enhancements due to an antenna effect for the photons. With a suitable spatial arrangement of such antennas, even a kind of phase ...
Duration: 04/2014 - 12/2018
TRR 142 - To nlinear spectroscopy of semiconductor nanostructures with quantum light (A02)
In this project, we will experimentally and theoretically study transient optical wave-mixing signals of semiconductor nanostructures under resonant excitation with pulsed quantum light. Quantum state tomography of the detected optical signals will provide essential information about the excitation of excitons with quantum light and will allow us ...
Duration: 04/2014 - 12/2025
TRR 142 - Nonlinear quantum process tomography and photonics of microcavity polaritons (A04)
In this project, we set out to realize a complete description of nonlinear quantum processes involving microcavity polaritons. Such a description is given by a process matrix that maps every possible input state fed to the system to its corresponding output state. To construct this matrix, we will combine advanced spectroscopic techniques and ...
Duration: 04/2014 - 12/2025
TRR 142 - Nonlinear optics and coherent intersubband physics of cubic GaN/Al(Ga)N heterostructures (B02)
Project B02 continues with the fabrication of cubic GaN/Al(Ga)N heterostructures and the investigation of their ultrafast and/or nonlinear optical properties. In the second period, we aim to enlarge and utilize the resonant nonlinearity associated with near-infrared intersubband transitions in quantum wells. This will be achieved by stronger doping ...
Duration: 04/2014 - 03/2021
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