Quantifying high-dimensional entanglement with photons

Our paper demonstrating high-dimensional entanglement of photonics states was published in Physical Review Letters. We experimentally apply a new procedure for entanglement certification that is suitable for different physical systems. The method we developed is based on entanglement formation and allowed us to certify 4 bits of entanglement (or ebits) shared between two photons.

This work was done in collaboration with Nicolas Brunner from Geneva and Marcus Huber from Vienna.

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