Comment on M. Babiker, J. Yuan, K. Koksal, and V. Lembessis, Optics Communications 554, 130185 (2024)

Kayn Forbes

doi:10.1016/j.optcom.2024.130499

Comment on M. Babiker, J. Yuan, K. Koksal, and V. Lembessis, Optics Communications 554, 130185 (2024)

Kayn Forbes

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Abstract

In a recent article Babiker et al. (2024) claim that cylindrical vector beams (CVBs), also referred to as higher-order Poincaré (HOP) beams, possess optical chirality densities which exhibit ‘superchirality’. Here we show that, on the contrary, CVBs possess less optical chirality density than a corresponding circularly polarized scalar vortex beam and that the ‘superchiral’ results are nonphysical. We also identify a number of issues concerning the derivation and general theory presented.

Original language	English
Article number	130499
Journal	Optics Communications
Volume	561
Early online date	2 Apr 2024
DOIs	https://doi.org/10.1016/j.optcom.2024.130499
Publication status	Published - 15 Jun 2024

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10.1016/j.optcom.2024.130499Licence: CC BY

1-s2.0-S0030401824002360-mainFinal published version, 791 KBLicence: CC BY

Cite this

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title = "Comment on M. Babiker, J. Yuan, K. Koksal, and V. Lembessis, Optics Communications 554, 130185 (2024)",

abstract = "In a recent article Babiker et al. (2024) claim that cylindrical vector beams (CVBs), also referred to as higher-order Poincar{\'e} (HOP) beams, possess optical chirality densities which exhibit {\textquoteleft}superchirality{\textquoteright}. Here we show that, on the contrary, CVBs possess less optical chirality density than a corresponding circularly polarized scalar vortex beam and that the {\textquoteleft}superchiral{\textquoteright} results are nonphysical. We also identify a number of issues concerning the derivation and general theory presented.",

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N2 - In a recent article Babiker et al. (2024) claim that cylindrical vector beams (CVBs), also referred to as higher-order Poincaré (HOP) beams, possess optical chirality densities which exhibit ‘superchirality’. Here we show that, on the contrary, CVBs possess less optical chirality density than a corresponding circularly polarized scalar vortex beam and that the ‘superchiral’ results are nonphysical. We also identify a number of issues concerning the derivation and general theory presented.

AB - In a recent article Babiker et al. (2024) claim that cylindrical vector beams (CVBs), also referred to as higher-order Poincaré (HOP) beams, possess optical chirality densities which exhibit ‘superchirality’. Here we show that, on the contrary, CVBs possess less optical chirality density than a corresponding circularly polarized scalar vortex beam and that the ‘superchiral’ results are nonphysical. We also identify a number of issues concerning the derivation and general theory presented.

U2 - 10.1016/j.optcom.2024.130499

DO - 10.1016/j.optcom.2024.130499

M3 - Article

VL - 561

JO - Optics Communications

JF - Optics Communications

SN - 0030-4018

M1 - 130499

ER -