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 - 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 - 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 - 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 - 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; TP A01: Zwei-Photonen-Emission in Halbleitern großer Bandlück
Duration: 04/2014 - 12/2017
Transregional Collaborative Research Center TRR 142 - Tailored Nonlinear Photonics: From Fundamental Concepts to Functional Structures
The central goal of this CRC is the exploration, development, and engineering of future nonlinear photonics, which uses state-of-the-art technological capabilities for the exploration of new physics and devices based on tailored strong nonlinearities and genuine quantum effects. Our research harnesses tailored solid-state systems and bridges the ...
Duration: 04/2014 - 12/2025