Chiral Optical Stern-Gerlach Newtonian Experiment

We report on a chiral optical Stern-Gerlach experiment where chiral liquid crystal microspheres are selectively displaced by means of optical forces arising from optical helicity gradients. The present Newtonian experimental demonstration of an effect predicted at molecular scale [New J. Phys. 16, 0...

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Veröffentlicht in:	Physical review letters 2019-01, Vol.122 (2), p.024301-024301, Article 024301
Hauptverfasser:	Kravets, Nina, Aleksanyan, Artur, Brasselet, Etienne
Format:	Artikel
Sprache:	eng
Schlagworte:	Chirality Condensed Matter Experiments Helicity Liquid crystals Microspheres Optoelectronics Physics Soft Condensed Matter
Online-Zugang:	Volltext
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Zusammenfassung:	We report on a chiral optical Stern-Gerlach experiment where chiral liquid crystal microspheres are selectively displaced by means of optical forces arising from optical helicity gradients. The present Newtonian experimental demonstration of an effect predicted at molecular scale [New J. Phys. 16, 013020 (2014)NJOPFM1367-263010.1088/1367-2630/16/1/013020] is a first instrumental step in an area restricted so far to theoretical discussions. Extending the Stern-Gerlach experiment legacy to chiral light-matter interactions should foster further studies, for instance towards the elaboration of chirality-enabled quantum technologies or spin-based optoelectronics.
ISSN:	0031-9007 1079-7114
DOI:	10.1103/physrevlett.122.024301