Funding by the Federal Ministry of Economics and Energy
We gratefully acknowledge financial support through the German Space Agency (DLR) with funds provided by the Federal Ministry for Economic Affairs and Energy (BMWi) due to an enactment of the German Bundestag under Grant No. DLR 50WM1641 (PRIMUS-III), 50WM1552 (QUANTUS-IV-Fallturm), 50WP1431 (QUANTUS-IV-MAIUS), 50WM1650 (KACTUS), and 50WP1700 (BECCAL-I).
Funding by the German Research Foundation
We gratefully acknowledge financial support by the DFG through CRC 1128 (geo-Q)and CRC 1227 (DQ-mat).
Funding by Niedersächsisches Vorab
We gratefully acknowledge financial support by "Niedersächsisches Vorab" through the "Quantum and Nano- Metrology (QUANOMET)" initiative within the project QT3.
Funding by the Federal Ministry of Education and Research
We acknowledge support by the Federal Ministry of Education and Research (BMBF) due to an enactment of the German Bundestag under Grant No. VDI 13N14838 (TAIOL).
