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Coherent control of magneto-optic rotation

Pandey, Kanhaiya and Wasan, Ajay and Natarajan, Vasant (2008) Coherent control of magneto-optic rotation. In: Journal of Physics B: Atomic and Molecular Physics, 41 (22).

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Official URL: http://www.iop.org/EJ/article/0953-4075/41/22/2255...


We experimentally study the rotation of the plane of polarization of a laser beam passing through room-temperature Rb vapour. The rotation occurs because the medium behaves differently for the two orthogonally-polarized components, displaying what is known as circular birefringence or linear dichroism. The difference is induced either by a control laser applied to an auxiliary transition of a ladder-type system, or by an applied axial magnetic field. In the presence of both control laser and magnetic field, the line shape shows an interesting interplay between the two effects with regions of suppressed and enhanced rotation. The line shapes can be understood qualitatively based on a density-matrix analysis of the system.

Item Type: Journal Article
Publication: Journal of Physics B: Atomic and Molecular Physics
Publisher: Institute of Physics
Additional Information: Copyright of this article belongs to Institute of Physics.
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 01 Jun 2009 09:20
Last Modified: 19 Sep 2010 04:57
URI: http://eprints.iisc.ac.in/id/eprint/17534

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