Universal Deterministic Quantum Operations in Microwave Quantum Links

Guillermo F. Peñas, Ricardo Puebla, Tomás Ramos, Peter Rabl, Juan José García-Ripoll

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


We propose a realistic setup, inspired by already existing experiments, within which we develop a general formalism for the implementation of distributed quantum gates. Mediated by a quantum link that establishes a bidirectional quantum channel between distant nodes, our proposal works both for inter- and intranode communication and handles scenarios ranging from the few to the many modes limit of the quantum link. We are able to design fast and reliable state transfer protocols in every regime of operation, which, together with a detailed description of the scattering process, allows us to engineer two sets of deterministic universal distributed quantum gates: gates whose implementation in quantum networks does not need entanglement distribution nor measurements. By employing a realistic description of the physical setup we identify the most relevant imperfections in the quantum links as well as optimal points of operation with resulting infidelities of 1-F≈10-2-10-3.

Original languageEnglish
Article number054038
JournalPhysical Review Applied
Issue number5
StatePublished - May 2022
Externally publishedYes


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