Heisenberg scaling precision in multi-mode distributed quantum metrology

We consider the estimation of an arbitrary parameter φ , such as the temperature or a magnetic field, affecting in a distributed manner the components of an arbitrary linear optical passive network, such as an integrated chip. We demonstrate that Heisenberg scaling precision (i.e. of the order of 1/...

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Váldodahkkit: Giovanni Gramegna, Danilo Triggiani, Paolo Facchi, Frank A Narducci, Vincenzo Tamma
Materiálatiipa: Artihkal
Giella:English
Almmustuhtton: IOP Publishing 2021-01-01
Ráidu:New Journal of Physics
Fáttát:
Liŋkkat:https://doi.org/10.1088/1367-2630/abf67f