Weakly invasive metrology: quantum advantage and physical implementations

We consider the estimation of a Hamiltonian parameter of a set of highly photosensitive samples, which are damaged after a few photons $N_{\rm abs}$ are absorbed, for a total time $T$. The samples are modelled as a two mode photonic system, where photons simultaneously acquire information on the unk...

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Bibliographic Details
Main Authors: M. Perarnau-Llobet, D. Malz, J. I. Cirac
Format: Article
Language:English
Published: Verein zur Förderung des Open Access Publizierens in den Quantenwissenschaften 2021-04-01
Series:Quantum
Online Access:https://quantum-journal.org/papers/q-2021-04-28-446/pdf/