Cited by 59Optical Polarization and EllipsometryOrbital Angular Momentum in OpticsQuantum and Classical Electrodynamics

Interpretation of the coherency matrix for three-dimensional polarization states

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Gil, José J.·2014·Physical Review A

Abstract

From an appropriate parameterization of the three-dimensional (3D) coherency matrix R that characterizes the second-order, classical states of polarization, the coherency matrices are classified and interpreted in terms of incoherent decompositions. The relevant physical quantities derived from R, such as the intensity, degree of polarimetric purity, the indices of polarimetric purity, angular momentum, degree of directionality, and degree of linear polarization, are identified and interpreted in light of the case study performed. The information provided by R about the direction of propagation is clarified and it is found that coherency matrices with $\mathrm{rank}\phantom{\rule{0.28em}{0ex}}\mathbf{R}=2$ do not always represent states with a well-defined direction of propagation. Moreover, the existence of 3D mixed states that cannot be decomposed into a superposition of a pure state, a two-dimensional (2D) unpolarized state, and a 3D unpolarized state is demonstrated. Appropriate representation and interpretation for all the different types of 3D coherency matrices are provided through physically consistent criteria. Under the approach proposed, the conventional 2D model arises naturally.

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Authors
Gil, J. J.
Affiliations
Universidad de Zaragoza (ES)
Corresponding author
Gil, José J.
Venue
Physical Review A
Published
2014-10-29
Volume
90
Issue
4
ISSN
  • 0556-2791 (ISSN-L)
  • 1050-2947
  • 1094-1622
OpenAlex
W2063546501
Cited by
59
References
43
Citations by year
2026: 4 · 2025: 4 · 2024: 3 · 2023: 5 · 2022: 3 · 2021: 7 · 2020: 4 · 2019: 5 · 2018: 7 · 2017: 5 · 2016: 6 · 2015: 4 · 2014: 1
FWCI
2.77
Type
journal article
Language
en
Open access
Locations
  • Physical Review A (publishedVersion)
  • LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (publishedVersion, cc-by-nc-nd)
  • arXiv (Cornell University) (submittedVersion)
  • Zaguan (Universidad de Zaragoza) (submittedVersion, cc-by-nc-nd)
  • arXiv (Cornell University)
Funders
Ministerio de Economía y Competitividad (FIS2011-22496)
Topics
  • Physical Sciences › Engineering › Biomedical Engineering › Optical Polarization and Ellipsometry
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Orbital Angular Momentum in Optics
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Quantum and Classical Electrodynamics
Keywords
coherency matrix, degree of linear polarization, angular momentum, propagation direction

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