Parameter estimation with efficient photodetectors

Tuvia Gefen; David A. Herrera-Martí; Alex Retzker

doi:10.1103/PhysRevA.93.032133

Parameter estimation with efficient photodetectors

Tuvia Gefen^*, David A. Herrera-Martí, Alex Retzker

^*Corresponding author for this work

Racah Institute of Physics

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

Current parameter estimation techniques rely on photodetectors which have a low efficiency and thus are based on gathering averaged statistics. Recently it was claimed that perfect photodetction will change the nature of sensing algorithms and will increase the sensing efficiency beyond the immediate effect of a higher collection efficiency. In this paper we bring up the observation that perfect photodetection implies Heisenberg scaling (1T) for parameter estimations. We analyze a specific example in detail.

Original language	English
Article number	032133
Journal	Physical Review A
Volume	93
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevA.93.032133
State	Published - 28 Mar 2016

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© 2016 American Physical Society.

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10.1103/PhysRevA.93.032133

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Parameter estimation with efficient photodetectors

Abstract

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