Estimation of a parameter encoded in the modal structure of a light beam: a quantum theory

被引：8

作者：

Gessner, Manuel ^{[1
]}

Treps, Nicolas ^{[2
]}

Fabre, Claude ^{[2
]}

机构：

[1] Univ Valencia, CSIC, IFIC, Dept Fis Teor, C Dr Moliner 50, Burjassot 46100, Valencia, Spain

[2] Sorbonne Univ, Univ PSL, CNRS, ENS,Lab Kastler Brossel,Coll France, 4 Pl Jussieu, F-75252 Paris, France

来源：

OPTICA | 2023年 / 10卷 / 08期

关键词：

LIMITS; NOISE;

D O I：

10.1364/OPTICA.491368

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Quantum light is described not only by a quantum state but also by the shape of the electromagnetic modes on which the state is defined. Optical precision measurements often estimate a "mode parameter" that determines properties such as frequency, temporal shape, and the spatial distribution of the light field. By deriving quantum precision limits, we establish the fundamental bounds for mode parameter estimation. Our results reveal explicit mode-design recipes that enable the estimation of any mode parameter with quantum enhanced precision. Our approach provides practical methods for optimizing mode parameter estimation with relevant applications, including spatial and temporal positioning, spectroscopy, phase estimation, and superresolution imaging.

引用

页码：996 / 999

页数：4

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