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Journal Article

Dimensionality of random light fields

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Norrman,  Andreas
Quantumness, Tomography, Entanglement, and Codes, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society;
University of Eastern Finland, Inst Photon ;

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Citation

Norrman, A., Friberg, A. T., Gil, J. J., & Setala, T. (2017). Dimensionality of random light fields. JOURNAL OF THE EUROPEAN OPTICAL SOCIETY-RAPID PUBLICATIONS, 13: 36. doi:10.1186/s41476-017-0061-9.


Cite as: https://hdl.handle.net/21.11116/0000-0000-8363-C
Abstract
Background: The spectral polarization state and dimensionality of random light are important concepts in modern optical physics and photonics. Methods: By use of space-frequency domain coherence theory, we establish a rigorous classification for the electricfield vector to oscillate in one, two, or three spatial dimensions. Results: We also introduce a new measure, the polarimetric dimension, to quantify the dimensional character of light. The formalism is utilized to show that polarized three-dimensional light does not exist, while an evanescent wave generated in total internal reflection generally is a genuine three-dimensional light field. Conclusions: The framework we construct advances the polarization theory of random light and it could be beneficial for near-field optics and polarization-sensitive applications involving complex-structured light fields.