Theory of time-bin-entangled photons from quantum emitters
Thomas K. Bracht, Florian Kappe, Moritz Cygorek, Tim Seidelmann, Yusuf Karli, Vikas Remesh, Gregor Weihs, V. M. Axt, Doris E. Reiter · Physical Review A · 2024
The authors present the tools needed to calculate the density matrices for time-bin encoded photon pairs. Their formalism is ready to account for realistic loss or decoherence processes, allowing for better assessment of the feasibility of different entangled-pair-production schemes.