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Grant support

Sao Paulo Research Foundation (2019/22685-1, 2021/10224-0, 2018/15554-5, 2020/00725-9) ; Comunidad de Madrid fund "Atraccion de Talento, Mod. 1", Ref. 2020-T1/IND-19785; Grant No. PID2020113445-GB-I00 funded by the Ministerio de Ciencia e Innovacion; the grant ULTRA-BRIGHT from the Fundacion Ramon-Areces in the "XXI Concurso Nacional para la adjudicacion de Ayudas a la Investigacion en Ciencias de la Vida y de la Mater ia"; the "Leonardo grant to researchers in physics 2023" from the BBVA Foundation; Swedish Research Council via Network grant for international researcher exchange Brazil-Sweden (SPRINT 2020-00116) ; European Union's Horizon 2020 Research and Innovation Programme (101017733) ; German Ministry of Education and Research; Joint Brazilian-Swedish Research Collaboration (CAPES-STINT) (88887.304806/2018-00, BR2018-8054) ; National Research Agency (ANR-15-IDEX-01) .

Analysis of institutional authors

Anton-Solanas, CarlosCorresponding Author

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Article

Multipartite entanglement encoded in the photon-number basis by sequential excitation of a three-level system

Publicated to:OPTICS LETTERS. 48 (23): 6332-6335 - 2023-12-01 48(23), DOI: 10.1364/OL.506403

Authors: Santos, AC; Schneider, C; Bachelard, R; Predojevic, A; Antón-Solanas, C

Affiliations

Carl von Ossietzky Univ Oldenburg, Inst Phys, D-26129 Oldenburg, Germany - Author
Stockholm Univ, Dept Phys, AlbaNova Univ Ctr, S-10691 Stockholm, Sweden - Author
Univ Autonoma Madrid, Inst Fis Mat Condensada, Inst Nicolas Cabrera, Dept Fis Mat, E-28049 Madrid, Spain - Author
Univ Cote Dazur, Inst Phys Nice, CNRS, Valbonne, France - Author
Univ Fed Sao Carlos, Dept Fis, Km 235-SP 310, BR-13565905 Sao Carlos, SP, Brazil - Author
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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.

Keywords

GenerationQuantum

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal OPTICS LETTERS due to its progression and the good impact it has achieved in recent years, according to the agency Scopus (SJR), it has become a reference in its field. In the year of publication of the work, 2023, it was in position , thus managing to position itself as a Q1 (Primer Cuartil), in the category Atomic and Molecular Physics, and Optics.

From a relative perspective, and based on the normalized impact indicator calculated from the Field Citation Ratio (FCR) of the Dimensions source, it yields a value of: 1.77, which indicates that, compared to works in the same discipline and in the same year of publication, it ranks as a work cited above average. (source consulted: Dimensions Jun 2025)

Specifically, and according to different indexing agencies, this work has accumulated citations as of 2025-06-24, the following number of citations:

  • Scopus: 1

Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2025-06-24:

  • The use, from an academic perspective evidenced by the Altmetric agency indicator referring to aggregations made by the personal bibliographic manager Mendeley, gives us a total of: 6.
  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 6 (PlumX).

With a more dissemination-oriented intent and targeting more general audiences, we can observe other more global scores such as:

  • The Total Score from Altmetric: 3.1.
  • The number of mentions on the social network X (formerly Twitter): 6 (Altmetric).

Leadership analysis of institutional authors

This work has been carried out with international collaboration, specifically with researchers from: France; Germany.

There is a significant leadership presence as some of the institution’s authors appear as the first or last signer, detailed as follows: Last Author (ANTON SOLANAS, CARLOS).

the author responsible for correspondence tasks has been ANTON SOLANAS, CARLOS.