Report
Distribution of genuine high-dimensional entanglement over 10.2 km of noisy metropolitan atmosphere
| العنوان: | Distribution of genuine high-dimensional entanglement over 10.2 km of noisy metropolitan atmosphere |
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| المؤلفون: | Bulla, Lukas, Hjorth, Kristian, Kohout, Oskar, Lang, Jan, Ecker, Sebastian, Neumann, Sebastian P., Bittermann, Julius, Kindler, Robert, Huber, Marcus, Bohmann, Martin, Ursin, Rupert, Pivoluska, Matej |
| سنة النشر: | 2023 |
| المجموعة: | Quantum Physics |
| مصطلحات موضوعية: | Quantum Physics |
| الوصف: | In a recent quantum key distribution experiment, high-dimensional protocols were used to show an improved noise resistance over a 10.2 km free-space channel. One of the unresolved questions in this context is whether the communicating parties actually shared genuine high-dimensional entanglement. In this letter we introduce an improved discretisation and entanglement certification scheme for high-dimensional time-bin setups and apply it to the data obtained during the experiment. Our analysis answers the aforementioned question affirmatively and thus the experiment constitutes the first transmission of genuine high-dimensional entanglement in a single degree of freedom over a long-range free-space channel. Comment: 6 pages, 3 figures |
| نوع الوثيقة: | Working Paper |
| DOI: | 10.1103/PhysRevA.107.L050402 |
| URL الوصول: | http://arxiv.org/abs/2301.05724 |
| رقم الانضمام: | edsarx.2301.05724 |
| قاعدة البيانات: | arXiv |
| DOI: | 10.1103/PhysRevA.107.L050402 |
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