Chirality-enabled optical dipole potential energy for two-level atoms

V. E. Lembessis, Koray Koksal, Jun Yuan, Mohamed Babiker

Research output: Contribution to journalArticlepeer-review

Abstract

We consider the optical dipole potential energy, which arises from the interaction of a two-level atom with a circularly polarized Laguerre-Gaussian laser beam of small waist. The beam is characterized by the existence of a longitudinal electric field component which is responsible for the appearance of a chiral term in the optical
dipole potential energy. This term reverses sign if either the winding number or the wave polarization of the beam reverses sign. We propose a scheme of a bi-chromatic vortex interaction with the two-level atom in which the resulting optical dipole potential is fully chiral.
Original languageEnglish
Article number013106
JournalPhysical Review A
Volume103
DOIs
Publication statusPublished - 13 Jan 2021

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