Quantum Fisher information in many-photon states from shift current shot noise

arXiv:2603.29188 · cond-mat.mes-hall, quant-ph · Submitted 2026-03-31 · Read on arXiv

cond-mat.mes-hall, quant-ph

Submitted: 2026-03-31

Updated: 2026-03-31

Journal ref: Proc. Natl. Acad. Sci. U.S.A. 123 (41) e2611254123 (2026)

DOI: 10.1073/pnas.2611254123

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Fisher Information — 2× in this paper · explained in 4 episodes
• Entanglement — 1× in this paper · explained in 4 episodes
• Quantum Fisher Information (QFI) — 1× in this paper · explained in 19 episodes

Sources

• Electron dynamics induced by quantum cat-state light
• Fundamental Limits of Continuous Gaussian Quantum Metrology

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