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Conferences > QIM > 2017 > QF6B > QF6B.2

Random Bosonic States for Robust Quantum Metrology

M. Oszmaniec, R. Augusiak, C. Gogolin, J. Kolodynski, A. Acin, and M. Lewenstein

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Abstract

We show that, in contrast to ones of distinguishable particles, random bosonic states of any purity typically achieve the Heisenberg scaling in lossy phase sensing. A photon-counting measurement then does the job, while the desired states can be simulated with help of short random optical circuits.

© 2017 Optical Society of America

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