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Degree of polarization in quantum optics

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Luis Aina, Alfredo (2002) Degree of polarization in quantum optics. Physical review A, 66 (1). 013806_1-013806_8. ISSN 1050-2947

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Official URL: http://dx.doi.org/10.1103/PhysRevA.66.013806


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http://journals.aps.org/Publisher


Abstract

Quantum optics entails polarization properties that cannot be fully described by the classical Stokes parameters. In this work, we characterize the polarization of classical as well as quantum fields by means of a probability distribution on the Poincare sphere. This serves to define the degree of polarization of a field state as the distance between the corresponding polarization distribution and the uniform distribution representing unpolarized light. We apply this definition to relevant quantum field states such as SU(2) coherent, squeezed, number, and phase states.


Item Type:Article
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©2002 The American Physical Society

Uncontrolled Keywords:Discrete wigner function; Quasi-probability distributions; Phase uncertainty relations; Lossless beam splitter; Density-matrix; Homodyne tomography; Atomic states; Operational approach; Photon statistics; Unpolarized light
Subjects:Sciences > Physics > Optics
ID Code:31447
Deposited On:03 Aug 2015 11:40
Last Modified:03 Aug 2015 11:40

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