Drampyan, Rafael; Greentree, Andrew D. and Durrant, A. V.
Two field nonlinear Faraday rotation in rubidium vapor in a Doppler-free geometry.
Optics Communications, 276(2),
Nonlinear Faraday rotation with counter-propagating light beams was investigated in a rubidium vapor cell. Observations across all hyperfine and crossover resonances of the D-2 line of Rb-87 atoms were made. Additionally, rotation spectra as a function of pump and probe intensity, pump polarization and external magnetic field strength were studied. The investigations were performed in a regime where the pump beam power was sufficiently low relative to the probe power to avoid polarization rotation due to pump-induced anisotropy. Our results are analyzed in the context of Bennett structures and coherent optical processes. (c) 2007 Elsevier B.V. All rights reserved.
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