Multipartite entanglement encoded in the photon-number basis by sequential excitation of a three-level system
arXiv:2304.08896 · doi:10.1364/OL.506403
Abstract
We propose a general scheme to generate entanglement encoded in the photon-number basis, via a sequential resonant two-photon excitation of a three-level system. We apply it to the specific case of a quantum dot three-level system, which can emit a photon pair through a biexciton-exciton cascade. The state generated in our scheme constitutes a tool for secure communication, as the multipartite correlations present in the produced state may provide an enhanced rate of secret communication with respect to a perfect GHZ state.
arXiv comment05 pages and 04 figures
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