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PP 1926/1: Development and Application of Novel Optogenetic Tools in Specific Intracellular Compartments

Hegemann, Peter, Prof. Dr. (Experimental Biophysics)

Duration of project: 09/2016 - 01/2019

The aim of this work is the development of novel optogenetic tools that allow investigations on subcellular compartments. In the first project, we will combine proton and chloride channels or chloride pumps with targeting motives for synaptic vesicle ...

PP 1285: Spin-Dependent Electron in GaAs/AlGaAs Nanostructures (III)

Fischer, Saskia, Prof. Dr. rer. nat. (New Materials)

Duration of project: 10/2011 - 07/2014

The aim of this project within the DFG priority programme 1285 "Semiconductor Spinelectronics" is to investigate spin-dependent ballistic transport in nanoscale GaAs/AlGaAs field-effect heterostructures (FETs) of low spin-orbit coupling, and to exten ...

Maximum Spectral Efficiency Through Parallelised Multiple-Input-Multiple-Output Transmission Using High-Resolution 3D Antenna Topologies, Second Phase

Graß, Eckhard, Prof. Dr. (Wireless Broadband Communication Systems)

Duration of project: 02/2017 - 04/2019

With the rapid increase of mobile data traffic and further network densification, the design of efficient and flexible wireless front-/backhaul terminals with a feasible practical form factor is essential for providing high data rates, low latency an ...

DFG Research Grant: Tunable Quantum Photoconductor for Efficiency-Enhanced THz Switches (QPC-Switch)

Masselink, W. Ted, Ph. D. Prof. (Experimental Physics / Elementary Stimulation and Transport in Solids)

Duration of project: 06/2016 - 03/2019

The goal of the proposed project is to investigate a novel approach for the realisation of ultrafast switching in semiconductor quantum-well photoconductive structures and to achieve ultrafast optical switching times of <1ps. The results of the inves ...

DFG Research Grant: Terahertz Quantum Cascade Lasers Based on InxGa1-xAs/InyGa1-yAs Strain-Compensated Heterostructures on InP Operating Near Room Temperature

Masselink, W. Ted, Ph. D. Prof. (Experimental Physics / Elementary Stimulation and Transport in Solids)

Duration of project: 04/2014 - 03/2018

The objective of this research is to demonstrate and investigate terahertz quantum cascade lasers based on a novel InGaAs-based active region. Indications are that lasers using this new design will operate near room-temperature; operation of THz QCLs ...

DFG Research Grant: Terahertz Quantum Cascade Lasers Based on Interface Roughness Engineering in InGaAs/InAlAs Heterostructures on InP

Masselink, W. Ted, Ph. D. Prof. (Experimental Physics / Elementary Stimulation and Transport in Solids)

Duration of project: 06/2019 - 05/2022

There are two scattering mechanisms in quantum cascade lasers (QCLs) that give rise to a parasitic (non-radiative) current in the transition region, thus limiting the efficiency: inelastic longitudinal-optical (LO)-phonon assisted scattering and elas ...

DFG Research Grant: SiGeSn-Nanostructures for Integrated Quantum Well Infrared Photodetectors

Koch, Christoph T., Prof. PhD (Experimental Physics / Structural Research and Electron Microscopy)

Duration of project: 03/2018 - 06/2020

The project goal is the fabrication and characterisation of CMOS-compatible quantum-well infrared photodetectors based on n-type SiGeSn heterostructures operating in the mid-infrared and far-infrared wavelength ranges with possible applications in ab ...

DFG Research Grant: SiGeSn-Nanostructures for Integrated Quantum Well Infrared Photodetectors

Busch, Kurt, Prof. Dr. rer. nat. (Theoretical Physics / Theoretical Optics)

Duration of project: 03/2019 - 08/2020

The project goal is the fabrication and characterisation of CMOS-compatible quantum-well infrared photodetectors based on n-type SiGeSn heterostructures operating in the mid-infrared and far-infrared wavelength ranges with possible applications in ab ...

Development of High-Brightness Continuous-Wave Mid-Infrared Quantum-Cascade Laser

Masselink, W. Ted, Ph. D. Prof. (Experimental Physics / Elementary Stimulation and Transport in Solids)

Duration of project: 09/2018 - 09/2022

The goal is to develop and demonstrate a continuous-wave (cw) or quasi-continuous-wave (qcw) quantum-cascade laser (QCL) operating at room temperature (RT) in mid-infrared (MIR) spectral range with high brightness.

CRC 787/3: Quantum Networks Based on Single Photons (SP C02)

Benson, Oliver, Prof. Dr. rer. nat. (Experimental Physics / Nanooptics)

Duration of project: 01/2016 - 12/2019

The project addresses the generation of single photons and photon pairs, as well as their application in quantum information processing. Three objectives have been identified: (1) High-quality single photons are to be generated via resonant excitatio ...