Digital Homodyne and Heterodyne Detection for Stationary Bosonic Modes
Homo- and heterodyne detection are fundamental techniques for measuring propagating electromagnetic fields. However, applying these techniques to stationary fields confined in cavities poses a challenge. As a way to overcome this challenge, we propose to use repeated indirect measurements of a two-level system interacting with the cavity. We demonstrate numerically that the proposed measurement scheme faithfully reproduces measurement statistics of homo- or heterodyne detection. The scheme can be implemented in various physical architectures, including circuit quantum electrodynamics. Our results pave the way for implementation of quantum algorithms requiring linear detection of stationary modes, including quantum verification protocols.
Authors
- Ingrid Strandberg (ORCID: https://orcid.org/0000-0002-3238-8164)
- Baptiste Royer (ORCID: https://orcid.org/0000-0001-9695-8552)
- Axel M. Eriksson (ORCID: https://orcid.org/0000-0002-2757-9804)
- Simone Gasparinetti
- Mikael Kervinen (ORCID: https://orcid.org/0000-0002-0164-9173)
Institutions
- Université de Sherbrooke (CA)
- Chalmers University of Technology (SE)
Publication Details
- Journal
- Physical Review Letters
- Published
- 2024-08-05
- DOI
- https://doi.org/10.1103/physrevlett.133.063601
- Citations
- 5
- Primary Topic
- Quantum Information and Cryptography
- Type
- article
- Field-Weighted Citation Impact
- 1.74
Funders
- European Commission
- Knut och Alice Wallenbergs Stiftelse
- Canada First Research Excellence Fund
- HORIZON EUROPE Framework Programme
- Natural Sciences and Engineering Research Council of Canada
- Fonds de recherche du Québec – Nature et technologies
- Wallenberg Centre for Molecular and Translational Medicine
- Wallenberg Center for Quantum Technology, Chalmers University of Technology
- HORIZON EUROPE European Innovation Council