Keyword: Coherent State : Search

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articleFree Access
Fractional orbital angular momentum of light beams by topological trajectory
- Xuguang Shi
Journal of Nonlinear Optical Physics & Materials01 Jun 2015
Preview Abstract
We derive a rigorous quantum formula called topological trajectory to describe orbital angular momentum (OAM) index based on linear momentum density of Laguerre–Gauss (L–G) light beam. By considering the correspondence between optics and quantum theory, we construct a coherent state from two L–G modes light beam. The light beams with fractional OAM are described by the coherent state. By making use of topological trajectory, we present the conditions that OAM index is fractional.

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