Propagating quantum microwaves: towards applications in communication and sensing

Year: 2023

Authors: Casariego Mateo; Zambrini Cruzeiro Emmanuel; Gherardini Stefano; Gonzalez-Raya Tasio; Andre Rui; Frazao Goncalo; Catto Giacomo; Moettoenen Mikko; Datta Debopam; Viisanen Klaara; Govenius Joonas; Prunnila Mika; Tuominen Kimmo; Reichert Maximilian; Renger Michael; Fedorov Kirill G.; Deppe Frank; van der Vliet Harriet; Matthews A. J.; Fernandez Yolanda; Assouly R.; Dassonneville R.; Huard B.; Sanz Mikel; Omar Yasser

Autors Affiliation: Univ Lisbon, Inst Super Tecn, Lisbon, Portugal; Ctr Fis & Engn Mat Avancados CeFEMA, Phys Informat & Quantum Technol Grp, Lisbon, Portugal; Inst Telecomunicacoes, Lisbon, Portugal; CNR INO, Area Sci Pk,Basovizza, I-34149 Trieste, Italy; PQI Portuguese Quantum Inst, Lisbon, Portugal; Univ Basque Country UPV EHU, Dept Phys Chem, Apartado 644, Bilbao 48080, Spain; Univ Basque Country UPV EHU, EHU Quantum Ctr, Bilbao, Spain; Aalto Univ, QTF Ctr Excellence & InstituteQ, Dept Appl Phys, QCD Labs, POB 13500, FI-00076 Aalto, Finland; VTT Tech Res Ctr Finland Ltd & QTF Ctr Excellence, POB 1000, Espoo 02044, Finland; Univ Helsinki, Helsinki Inst Phys, Dept Phys, POB 64, FI-00014 Helsinki, Finland; Bayer Akad Wissensch, Walther Meissner Inst, D-85748 Garching, Germany; Tech Univ Munich, Phys Dept, D-85748 Garching, Germany; Munich Ctr Quantum Sci & Technol MCQST, Schellingstr 4, D-80799 Munich, Germany; IQM Germany GmbH, Nymphenburger Str 86, D-80335 Munich, Germany; Oxford Instruments Nanosci, Tubney Woods, Abingdon OX13 5QX, Oxon, England; TTI Norte, Santander 39011, Spain; Ecole Normale Super Lyon, CNRS, Lab Phys, F-69342 Lyon, France; Basque Ctr Appl Math BCAM, Alameda Mazarredo 14, Bilbao 48009, Basque Country, Spain; IKERBASQUE, Basque Fdn Sci, Plaza Euskadi 5, Bilbao 48009, Spain

Abstract: 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.

Journal/Review: QUANTUM SCIENCE AND TECHNOLOGY

Volume: 8 (2)      Pages from: 023001-1  to: 023001-26

More Information: The authors thank S Pirandola, and S Gasparinetti for useful discussions, and thank the support from Project QMiCS (820505) of the EU Flagship on Quantum Technologies. M C, E Z C, R A, G F, S G, and Y O thank the support from FCT-Fundacao para a Ciencia e a Tecnologia (Portugal), namely through Projects UIDB/50008/2020 and UIDB/04540/2020, as well as from Project TheBlinQC supported by the EU H2020 QuantERA ERA-NET Cofund in Quantum Technologies and by FCT (QuantERA/0001/2017). M C acknowledges support from the DP-PMI and FCT through scholarship PD/BD/135186/2017. G F acknowledges support from FCT through scholarship SFRH/BD/145572/2019. T G-R, M R and M S acknowledge financial support from Basque Government QUANTEK Project from ELKARTEK program (KK-2021/00070), Spanish Ramon y Cajal Grant RYC-2020-030503-I, as well as from OpenSuperQ (820363) of the EU Flagship on Quantum Technologies, and the EU FET-Open Projects Quromorphic (828826) and EPIQUS (899368), and IQM Quantum Computers under the Project Generating quantum algorithms and quantum processor optimization´. M R acknowledges support from UPV/EHU PhD Grant PIF21/289. M M and G C acknowledge funding from the European Research Council under Consolidator Grant No. 681311 (QUESS), and from the Academy of Finland through its Centers of Excellence Program (Project Nos. 312300 and 336810) and QEMP Project (319579). M R, K G F, and F D acknowledge support by the German Research Foundation via Germany´s Excellence Strategy (EXC-2111-390814868), the Elite Network of Bavaria through the program ExQM, the EU Flagship Project QMiCS (Grant No. 820505), the German Federal Ministry of Education and Research via the Projects QUARATE (Grant No. 13N15380) and QuaMToMe (Grant No. 16KISQ036), and the State of Bavaria via the Munich Quantum Valley and the Hightech Agenda Bayern Plus.
KeyWords: quantum microwaves, propagating quantum microwaves, quantum sensing, quantum communication, quantum radar, quantum illumination, dark matter detection
DOI: 10.1088/2058-9565/acc4af

Citations: 12
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