Article ID Journal Published Year Pages File Type
1534320 Optics Communications 2014 6 Pages PDF
Abstract
The negativity of the Wigner function is discussed as a measure of the non-classicality and the quantum interference pattern obtained therein as a possible measure of the entanglement between the two modes of the vortex states. This measure of entanglement is compared with the results obtained from concurrence.
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Related Topics
Physical Sciences and Engineering Materials Science Electronic, Optical and Magnetic Materials
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Entanglement measure using Wigner function: Case of generalized vortex state formed by multiphoton subtraction
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