Quantum metrology including state preparation and readout times

Shane Dooley; William J. Munro; William J. Munro; Kae Nemoto

doi:10.1364/QIM.2017.QW3A.5

Quantum Information and Measurement (QIM) 2017
OSA Technical Digest (online) (Optica Publishing Group, 2017),
paper QW3A.5
•https://doi.org/10.1364/QIM.2017.QW3A.5

Quantum metrology including state preparation and readout times

Shane Dooley, William J. Munro, and Kae Nemoto

Quantum Information and Measurement 2017

Paris France
5–7 April 2017
ISBN: 978-1-943580-26-2

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Precision Quantum Measurement and Sensing II (QW3A)

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S. Dooley, W. J. Munro, and K. Nemoto, "Quantum metrology including state preparation and readout times," in Quantum Information and Measurement (QIM) 2017, OSA Technical Digest (online) (Optica Publishing Group, 2017), paper QW3A.5.

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Abstract

In frequency estimation, probe state preparation times are typically assumed to be negligible. We present our results that a probe in a maximally entangled state can give an advantage over a separable state only if the entangled state preparation time is lower than a certain threshold.

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