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Showing 2020 · quant-phShow all
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quant-ph2020★ 22 cited
Quantum sensing of open systems: Estimation of damping constants and temperature
Jiaxuan Wang, Luiz Davidovich, Girish Saran Agarwal
We determine quantum precision limits for estimation of damping constants and temperature of lossy bosonic channels. A direct application would be the use of light for estimation o…
quant-ph2020★ 6 cited
Interferometric sensing of the tilt angle of a Gaussian beam
S. P. Walborn, G. H. Aguilar, P. L. Saldanha +2
We investigate interferometric techniques to estimate the deflection angle of an optical beam and compare them to the direct detection of the beam deflection. We show that quantum…