Journal
PHYSICAL REVIEW LETTERS
Volume 121, Issue 11, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.121.110503
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Funding
- European Research Council (project EnSeNa)
- Canadian Institute for Advanced Research through its Quantum Information Processing program
- Austrian Science Fund [V-375]
- Austrian Academy of Sciences
- Center for Integrated Quantum Science and Technology (IQST)
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A hyperentangled state of light represents a valuable tool capable of reducing the experimental requirements and resource overheads, and it can improve the success rate of quantum information protocols. Here, we report on demonstration of polarization and time-bin hyperentangled photon pairs emitted from a single quantum dot. We achieved this result by applying resonant and coherent excitation on a quantum dot system with marginal fine structure splitting. Our results yield fidelities to the maximally entangled state of 0.81(6) and 0.87(4) in polarization and time bin, respectively.
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