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Grant support

This work makes use of the quantum toolbox in PYTHON (QuTiP) [73,74] . We acknowledge financial support from the Proyecto Sinergico CAM 2020 Y2020/TCS-6545 (NanoQuCo-CM) , and MCINN projects PID2021-126964OB-I00 (QENIGMA) and TED2021-130552B-C21 (ADIQUNANO) . A.I.F.-D. acknowledges funding from the European Commission through the Europe Research and Innovation Programme under Agreement No. 101070700 (MIRAQLS) . C.S.M. and D.M.C. also acknowledge the support of a fellowship from the Caixa Foundation (ID 100010434) and from the European Union Horizon 2020 research and innovation program under the Marie Sklodowska-Curie Grant Agreement No. 847648, with fellowship codes LCF/BQ/PI20/11760026 and LCF/BQ/PI20/11760018. D.M.C. also acknowledges support from the Ramon y Cajal program (RYC2020- 029730-I) . We thank Vincenzo Macri for fruitful discussions.

Analysis of institutional authors

Groiseau, CasparCorresponding AuthorFernandez-Dominguez, AntonioiAuthorMartin-Cano, DiegoAuthorMunoz, Carlos SanchezAuthor

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February 19, 2024
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Single-photon source over the terahertz regime

Publicated to:PRX Quantum. 5 (1): 010312- - 2024-01-29 5(1), DOI: 10.1103/PRXQuantum.5.010312

Authors: Groiseau, C.; Fernández-Domínguez, A.I.; Martín-Cano, D.; Sánchez Muñoz, C.

Affiliations

Univ Autonoma Madrid, Dept Fis Teor Mat Condensada, Madrid 28049, Spain - Author

Abstract

We present a proposal for a tunable source of single photons operating in the terahertz (THz) regime. This scheme transforms incident visible photons into quantum THz radiation by driving a single polar quantum emitter with an optical laser, with its permanent dipole enabling dressed THz transitions enhanced by the resonant coupling to a cavity. This mechanism offers optical tunability of properties such as the frequency of the emission or its quantum statistics (ranging from antibunching to entangled multiphoton states) by modifying the intensity and frequency of the drive. We show that the implementation of this proposal is feasible with state-of-the-art photonics technology.

Keywords

DetectorDoped siliconDynamicsEmissionManipulationPython frameworkQuantumQutip

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal PRX Quantum due to its progression and the good impact it has achieved in recent years, according to the agency WoS (JCR), it has become a reference in its field. In the year of publication of the work, 2024 there are still no calculated indicators, but in 2023, it was in position 20/179, thus managing to position itself as a Q1 (Primer Cuartil), in the category Physics, Applied.

Independientemente del impacto esperado determinado por el canal de difusión, es importante destacar el impacto real observado de la propia aportación.

Según las diferentes agencias de indexación, el número de citas acumuladas por esta publicación hasta la fecha 2025-08-02:

  • Google Scholar: 4

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 2025-08-02:

  • 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: 14.
  • 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: 14 (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: 8.1.
  • The number of mentions on the social network Facebook: 1 (Altmetric).
  • The number of mentions on the social network X (formerly Twitter): 14 (Altmetric).

It is essential to present evidence supporting full alignment with institutional principles and guidelines on Open Science and the Conservation and Dissemination of Intellectual Heritage. A clear example of this is:

  • The work has been submitted to a journal whose editorial policy allows open Open Access publication.
  • Assignment of a Handle/URN as an identifier within the deposit in the Institutional Repository: https://repositorio.uam.es/handle/10486/716933

Leadership analysis of institutional authors

There is a significant leadership presence as some of the institution’s authors appear as the first or last signer, detailed as follows: First Author (GROISEAU, CASPAR WILHELM) and Last Author (SANCHEZ MUÑOZ, CARLOS).

the author responsible for correspondence tasks has been GROISEAU, CASPAR WILHELM.