Quantum field theory of photons with orbital angular momentum

G. F. Calvo; A. Picón; E. Bagan

doi:https://doi.org/10.1103/PhysRevA.73.013805

Quantum field theory of photons with orbital angular momentum

G. F. Calvo, A. Picón, E. Bagan

Department of Physics

Research output: Contribution to journal › Article › Research › peer-review

65 Citations (Scopus)

Abstract

A quantum-field-theory approach is put forward to generalize the concept of classical spatial light beams carrying orbital angular momentum to the single-photon level. This quantization framework is carried out both in the paraxial and nonparaxial regimes. Upon extension to the optical phase space, closed-form expressions are found for a photon Wigner representation describing transformations on the orbital Poincaré sphere of unitarily related families of paraxial spatial modes. © 2006 The American Physical Society.

Original language	English
Article number	013805
Journal	Physical Review A - Atomic, Molecular, and Optical Physics
Volume	73
DOIs	https://doi.org/10.1103/PhysRevA.73.013805
Publication status	Published - 1 Jan 2006

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Calvo, G. F., Picón, A., & Bagan, E. (2006). Quantum field theory of photons with orbital angular momentum. Physical Review A - Atomic, Molecular, and Optical Physics, 73, [013805]. https://doi.org/10.1103/PhysRevA.73.013805

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