Quantifying photonic high-dimensional entanglement
High-dimensional entanglement offers promising perspectives in quantum information science. In practice, however, the main challenge is to devise efficient methods to characterize high-dimensional entanglement, based on the available experimental data which is usually rather limited. Here we report...
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| creator | Martin, Anthony Guerreiro, Thiago Tiranov, Alexey Designolle, Sébastien Fröwis, Florian Brunner, Nicolas Huber, Marcus Gisin, Nicolas |
| description | High-dimensional entanglement offers promising perspectives in quantum information science. In practice, however, the main challenge is to devise efficient methods to characterize high-dimensional entanglement, based on the available experimental data which is usually rather limited. Here we report the characterization and certification of high-dimensional entanglement in photon pairs, encoded in temporal modes. Building upon recently developed theoretical methods, we certify an entanglement of formation of 2.09(7) ebits in a time-bin implementation, and 4.1(1) ebits in an energy-time implementation. These results are based on very limited sets of local measurements, which illustrates the practical relevance of these methods. |
| doi_str_mv | 10.48550/arxiv.1701.03269 |
| format | Article |
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| subjects | Coding Photonics Physics - Quantum Physics Quantum entanglement Quantum phenomena |
| title | Quantifying photonic high-dimensional entanglement |
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