Energy-time entanglement from a resonantly driven quantum-dot three-level system
M. Höhn, Kisa Barkemeyer, Martin von Helversen, Leon Bremer, Manuel Gschrey, J.-H. Schulze, A. Strittmatter, Alexander Carmele, Sven Rodt, S. Bounouar, Stephan Reitzenstein · Physical Review Research · 2023
We investigate the degree of energy-time entanglement in a dressed quantum-dot three-level system via Franson interferometry. Our work demonstrates a maximum visibility of (73 $\ifmmode\pm\else\textpm\fi{}$ 2)%, surpassing the limit of violation of Bell's inequality.