Matteo A. C. Rossi
Matteo A. C. Rossi
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Quantum metrology
Learning feedback control strategies for quantum metrology
We consider the problem of frequency estimation for a single bosonic field evolving under a squeezing Hamiltonian and continuously …
Alessio Fallani
,
Matteo A. C. Rossi
,
Dario Tamascelli
,
Marco G. Genoni
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DOI
Noisy Quantum Metrology Enhanced by Continuous Nondemolition Measurement
We show that continuous quantum nondemolition (QND) measurement of an atomic ensemble is able to improve the precision of frequency …
Matteo A. C. Rossi
,
Francesco Albarelli
,
Dario Tamascelli
,
Marco G. Genoni
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DOI
Quantum frequency estimation with conditional states of continuously monitored independent dephasing channels
We discuss the problem of estimating a frequency via [Formula: see text]-qubit probes undergoing independent dephasing channels that …
Francesco Albarelli
,
Matteo A. C. Rossi
,
Marco G. Genoni
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DOI
Restoring Heisenberg scaling in noisy quantum metrology by monitoring the environment
We study quantum frequency estimation for $N$ qubits subjected to independent Markovian noise, via strategies based on time-continuous …
Francesco Albarelli
,
Matteo A C Rossi
,
Dario Tamascelli
,
Marco G Genoni
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DOI
The Role of Monitoring Time and Detectors Efficiencies in Time-Continuous Quantum Magnetometry
We consider the estimation of a weak magnetic field B acting on a continuously monitored ensemble of atoms subjected to collective …
Francesco Albarelli
,
Matteo A C Rossi
,
Matteo G A Paris
,
Marco G Genoni
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DOI
Ultimate limits for quantum magnetometry via time-continuous measurements
We address the estimation of the magnetic field B acting on an ensemble of atoms with total spin J subjected to collective transverse …
Francesco Albarelli
,
Matteo A. C. Rossi
,
Matteo G. A. Paris
,
Marco G. Genoni
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DOI
Probing the diamagnetic term in light-matter interaction
Should the Dicke model of light-matter interaction include a diamagnetic term? This question has generated intense debate in the …
Matteo A. C. Rossi
,
Matteo Bina
,
Matteo Paris
,
Marco Genoni
,
Gerardo Adesso
,
Tommaso Tufarelli
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DOI
Quantum metrology beyond the quantum Cramér-Rao theorem
A usual assumption in quantum estimation is that the unknown parameter labels the possible states of the system, while it influences …
Luigi Seveso
,
Matteo A. C. Rossi
,
Matteo G. A. Paris
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DOI
Probing deformed quantum commutators
Quantum gravity theories predict a minimal length at the order of magnitude of the Planck length, under which the concepts of space and …
Matteo A. C. Rossi
,
Tommaso Giani
,
Matteo G. A. Paris
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DOI
Enhanced estimation of loss in the presence of Kerr nonlinearity
We address the characterization of dissipative bosonic channels and show that estimation of the loss rate by Gaussian probes (coherent …
Matteo A. C. Rossi
,
Francesco Albarelli
,
Matteo G. A. Paris
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DOI
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