Observation of subluminal twisted light in vacuum: comment
Peeter Saari
TL;DR
This paper critically examines previous claims of observing subluminal twisted light in vacuum, questioning the validity of those results through analytical and numerical analysis.
Contribution
It provides a critical analysis challenging prior experimental claims about subluminal twisted light in vacuum.
Findings
Previous results are questionable based on analytical and numerical analysis.
The paper casts doubt on the interpretation of earlier experimental data.
Highlights the need for further investigation into twisted light propagation in vacuum.
Abstract
Our analysis based on analytical and numerical calculations leads to conclusion that the promising results obtained in [F. Bouchard, J. Harris, H. Mand, R. W. Boyd, and E. Karimi, Optica 3, 351, 2016] are questionable in several respects.
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