| Téléchargement | - Voir la version finale : Increasing two-photon entangled dimensions by shaping input-beam profiles (PDF, 1.0 Mio)
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| DOI | Trouver le DOI : https://doi.org/10.1103/PhysRevA.101.052324 |
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| Auteur | Rechercher : Liu, ShilongIdentifiant ORCID : https://orcid.org/0000-0002-6308-4059; Rechercher : Zhang, Yingwen1Identifiant ORCID : https://orcid.org/0000-0002-7227-4452; Rechercher : Yang, Chen; Rechercher : Liu, Shikai; Rechercher : Ge, Zheng; Rechercher : Li, Yinhai; Rechercher : Li, Yan; Rechercher : Zhou, Zhiyuan; Rechercher : Guo, Guangcan; Rechercher : Shi, Baosen |
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| Affiliation | - Conseil national de recherches du Canada. Technologies de sécurité et de rupture
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| Format | Texte, Article |
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| Résumé | Photon pairs entangled in high-dimensional orbital angular momentum (OAM) degrees of freedom (DOF) have been widely regarded as a possible source for improving the capacity of quantum information processing. The generation of a high-dimensional maximally entangled state in the OAM DOF is therefore much desired. In this work, we demonstrate a simple method to generate a broader and flatter OAM spectrum, i.e., a larger spiral bandwidth (SB), of entangled photon pairs generated through spontaneous parametric down-conversion by modifying the pump beam profile. By investigating both experimentally and theoretically, we find that an exponential pump profile that is roughly the inverse of the mode profiles of the single-mode fibers used for OAM detection will provide a much larger SB compared to a Gaussian-shaped pump. |
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| Date de publication | 2020-05-15 |
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| Maison d’édition | American Physical Society |
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| Dans | |
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| Langue | anglais |
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| Publications évaluées par des pairs | Oui |
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| Exporter la notice | Exporter en format RIS |
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| Signaler une correction | Signaler une correction (s'ouvre dans un nouvel onglet) |
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| Identificateur de l’enregistrement | 90699e30-47a4-4a5d-b4dd-d320c953e9ca |
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| Enregistrement créé | 2020-06-30 |
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| Enregistrement modifié | 2020-07-23 |
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