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Channel capacity of small modular quantum networks in the ultrastrongly coupled regime

Year: 2025
Type: article
Abstract: We investigate state transfer in modular quantum computer architectures exploiting the ultrastrong coupling regime of interaction between quantum processing units and ICs. We show that protocols based on adiabatic coherent transport may achieve near-ideal single-letter quantum capacity and robustness against parametric fluctuations suppressing leakage induced by the dynamical Casimir effect.
DOI: 10.1140/epjs/s11734-025-02020-0
Authors: Salvatore Alex Cordovana, Luigi Giannelli, Nicola Macrì, Giuliano Benenti, Elisabetta Paladino, Giuseppe A. Falci
Institutions: University of Catania, Istituto Nazionale di Fisica Nucleare, Sezione di Catania, University of Insubria, Istituto Nazionale di Fisica Nucleare, Sezione di Milano, National Research Council, Institute for Microelectronics and Microsystems
Language: English
Open Access status: hybrid
Estimated APC paid: $3,790
OpenAlex ID: W4415436714
FWCI: 0.412
Cites: 22
Cited by: 1
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