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Experimental quantum polarimetry using heralded single photons

Title
Experimental quantum polarimetry using heralded single photons
Author
이광걸
Keywords
optical activity; chirality; single photon; heralded single photon; polarimetry; quantum polarimetry; estimation
Issue Date
2020-06
Publisher
IOP PUBLISHING LTD
Citation
METROLOGIA, v. 57, no. 4, article no. 045008
Abstract
We perform experimental quantum polarimetry using a heralded single photon to analyze the optical activity of linearly polarized light traversing a chiral medium. Three kinds of estimators are considered to estimate the concentrations of sucrose solutions from measuring the rotation angle of the linear polarization of the output photons. Through repetition of independent and identical measurements performed for each individual scheme and different concentration sucrose solutions, we compare the estimation uncertainty among the three schemes. The results are also compared to classical benchmarks for which a coherent state of light is taken into account. The quantum enhancement in the estimation uncertainty is evaluated and the impact of experimental and technical imperfections is discussed. In this work, we lay out a route for future applications relying on quantum polarimetry.
URI
https://iopscience.iop.org/article/10.1088/1681-7575/ab8801https://repository.hanyang.ac.kr/handle/20.500.11754/168776
ISSN
0026-1394; 1681-7575
DOI
10.1088/1681-7575/ab8801
Appears in Collections:
COLLEGE OF NATURAL SCIENCES[S](자연과학대학) > PHYSICS(물리학과) > Articles
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