Faraday rotation assisted by linearly polarized light

Jai Min Choi, Jang Myun Kim, D. Cho

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)


We demonstrate a type of chiral effect of an atomic medium. Polarization rotation of a probe beam is observed only when both a magnetic field and a linearly polarized coupling beam are present. We compare it with other chiral effects like optical activity, the Faraday effect, and the optically induced Faraday effect from the viewpoint of spatial inversion and time reversal transformations. As a theoretical model we consider a five-level configuration involving the cesium D2 transition. We use spin-polarized cold cesium atoms trapped in a magneto-optical trap to measure the polarization rotation versus probe detuning. The result shows reasonable agreement with a calculation from the master equation of the five-level configuration.

Original languageEnglish
Article number053802
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Issue number5
Publication statusPublished - 2007 Nov 5

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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