In this review, the authors introduce the notion of quantum nonclassicality of light and the role of nonclassicality in optical quantum metrology. The first part of this paper focuses on defining and characterizing the notion of nonclassicality and how it may be quantified in radiation fields. Several prominent examples of nonclassical light are also discussed. The second part of this paper deals with quantum metrology through the lens of nonclassicality. The authors introduce key concepts such as the Quantum Fisher information, the Cramér-Rao bound, the standard quantum limit, and the Heisenberg limit and discuss how nonclassical light may be exploited to beat classical limitations in high precision measurements. The discussion here will be largely theoretical, with some references to specific experimental implementations.
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December 2019
Review Article|
November 19 2019
Nonclassical light and metrological power: An introductory review
Kok Chuan Tan;
Kok Chuan Tan
a)
Department of Physics and Astronomy, Quantum Information Science Group & Institute of Applied Physics, Seoul National University
, Seoul 08826, South Korea
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Hyunseok Jeong
Hyunseok Jeong
b)
Department of Physics and Astronomy, Quantum Information Science Group & Institute of Applied Physics, Seoul National University
, Seoul 08826, South Korea
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a)
Electronic mail: [email protected]
b)
Electronic mail: [email protected]
Note: This paper is part of the special topic on Quantum Sensing and Metrology.
AVS Quantum Sci. 1, 014701 (2019)
Article history
Received:
September 04 2019
Accepted:
October 28 2019
Citation
Kok Chuan Tan, Hyunseok Jeong; Nonclassical light and metrological power: An introductory review. AVS Quantum Sci. 1 December 2019; 1 (1): 014701. https://doi.org/10.1116/1.5126696
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