Propagating quantum microwaves: towards applications in communication and sensing

Mateo Casariego (Corresponding Author), Emmanuel Zambrini Cruzeiro, Stefano Gherardini, Tasio Gonzalez-Raya, Rui André, Gonçalo Frazão, Giacomo Catto, Mikko Möttönen, Debopam Datta, Klaara Viisanen, Joonas Govenius, Mika Prunnila, Kimmo Tuominen, Maximilian Reichert, Michael Renger, Kirill G. Fedorov, Frank Deppe, Harriet van der Vliet, A. J. Matthews, Yolanda FernándezR. Assouly, R. Dassonneville, B. Huard, Mikel Sanz, Yasser Omar

Research output: Contribution to journalReview Articlepeer-review

11 Citations (Scopus)


The field of propagating quantum microwaves is a relatively new area of research that is receiving increased attention due to its promising technological applications, both in communication and sensing. While formally similar to quantum optics, some key elements required by the aim of having a controllable quantum microwave interface are still on an early stage of development. Here, we argue where and why a fully operative toolbox for propagating quantum microwaves will be needed, pointing to novel directions of research along the way: from microwave quantum key distribution to quantum radar, bath-system learning, or direct dark matter detection. The article therefore functions both as a review of the state-of-the-art, and as an illustration of the wide reach of applications the future of quantum microwaves will open.

Original languageEnglish
Article number023001
JournalQuantum Science and Technology
Issue number2
Publication statusPublished - Apr 2023
MoE publication typeA2 Review article in a scientific journal


  • dark matter detection
  • propagating quantum microwaves
  • quantum communication
  • quantum illumination
  • quantum microwaves
  • quantum radar
  • quantum sensing


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