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

Racah Institute of Physics

The Hebrew University of Jerusalem

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

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

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics

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10.1103/PhysRevA.93.032133

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title = "Parameter estimation with efficient photodetectors",

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.",

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doi = "10.1103/PhysRevA.93.032133",

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Parameter estimation with efficient photodetectors

Abstract

All Science Journal Classification (ASJC) codes

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