Point source generation of chiral fields:measures of near- and far-field optical helicity

Leeder, Jamie M., Haniewicz, Henryk T. and Andrews, David L. (2015) Point source generation of chiral fields:measures of near- and far-field optical helicity. Journal of the Optical Society of America B, 32 (11). pp. 2308-2313. ISSN 0740-3224

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Abstract

To consider the relationship between different measures of chirality in an optical field, the simplest case is considered: direct spontaneous emission of circularly polarized light by a point source. In the electromagnetic fields radiated from a suitably chiral source, such as a low-symmetry chiral molecule undergoing radiative decay, optical helicity is exhibited in the extent of a difference in left- and right-handed circular polarization components. There are several practical measures for quantifying the emergence of ensuing optical helicity, exhibiting different forms of dependence on the properties of the emitter and the positioning of a detector. By casting each measure in terms of an irreducible helicity density, connections and distinctions can be drawn between results expressible in either classical or quantum form.

Item Type: Article
Faculty \ School: Faculty of Science > School of Chemistry
Depositing User: Pure Connector
Date Deposited: 28 Jan 2016 13:07
Last Modified: 18 Sep 2020 00:03
URI: https://ueaeprints.uea.ac.uk/id/eprint/56844
DOI: 10.1364/JOSAB.32.002308

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