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Spectrally-multiplexed entanglement swapping for generating a high number of Bell states

Time and frequency (TF) encoding in quantum states of light is a promising paradigm for quantum information networks in the near future. This is largely due to the high information capacity provided by TF modes of light, and their compatibility with both fiber-based and free-space distribution. For this paradigm it is crucial to exploit TF entanglement both for quantum states of light and for quantum measurement.

In this webinar, Sofiane Merkouche, PhD Candidate at the Oregon Center for Optical, Molecular and Quantum Science (University of Oregon) shows one way of harnessing the high-dimensional nature of TF entanglement. He presents a TF entanglement swapping experiment where frequency-resolved Bell-state measurements are used to herald a multitude of frequency-encoded Bell states, using readily-available multimode parametric down conversion sources. These multiplexed Bell-state measurements are realizable thanks to a versatile time-correlated spectroscopy technique which are discussed. These methods will be valuable for quantum networks relying on TF-encoded quantum information distribution.


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Sofiane MerkoucheSofiane Merkouche

PhD Candidate at the Oregon Center for Optical, Molecular and Quantum Science at the University of Oregon

LinkedIn profile

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