Theory of time-bin entangled photons from quantum emitters
arxiv(2024)
摘要
Entangled photon pairs form the foundation for many applications in the realm
of quantum communication. For fiber-optic transfer of entangled photon pairs,
time-bin encoding can potentially offer an improved stability compared to
polarization encoded qubits. Here, we lay the theoretical foundations to
describe the measurement of time-bin entangled photons. We derive multi-time
correlation functions of the time-bin encoded photon pairs, corresponding to
quantum state tomographic measurements. Our theory can be the starting point to
extend the simulations to include all kinds of loss or decoherence effects that
apply in a specific quantum system for realistic simulation for time-bin
entanglement from quantum emitters.
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