Enantiomeric-excess determination based on nonreciprocal-transition-induced spectral-line elimination

Xun Wei Xu, Chong Ye, Yong Li, Ai Xi Chen

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Abstract

The spontaneous emission spectrum of a multilevel atom or molecule with nonreciprocal transition is investigated. It is shown that the nonreciprocal transition can lead to the elimination of a spectral line in the spontaneous emission spectrum. As an application, we show that nonreciprocal transition arises from the phase-related driving fields in chiral molecules with cyclic three-level transitions, and the elimination of a spectral line induced by nonreciprocal transition provides us a method to determine the enantiomeric excess for the chiral molecules without requiring the enantio-pure samples.

Original languageEnglish
Article number033727
JournalPhysical Review A
Volume102
Issue number3
DOIs
Publication statusPublished - Sept 2020

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Xu, X. W., Ye, C., Li, Y., & Chen, A. X. (2020). Enantiomeric-excess determination based on nonreciprocal-transition-induced spectral-line elimination. Physical Review A, 102(3), Article 033727. https://doi.org/10.1103/PhysRevA.102.033727