Pump-probe nonlinear magneto-optical rotation with frequency modulated light

Abstract

Specific types of atomic coherences between Zeeman sublevels can be generated and detected using a method based on nonlinear magneto-optical rotation with frequency modulated light. Linearly polarized, frequency modulated light is employed to selectively generate ground-state coherences between Zeeman sublevels for which $\Delta m=2$ and $\Delta m=4$ in ${}^{85}$Rb and ${}^{87}$Rb atoms, and additionally $\Delta m=6$ in ${}^{85}$Rb. The atomic coherences are detected with a separate, unmodulated probe light beam. Separation of the pump and probe beams enables independent investigation of the processes of creation and detection of the atomic coherences. With the present technique the transfer of the Zeeman coherences, including high-order coherences, from excited to ground state by spontaneous emission has been observed.

12 pages, 17 figures

References in corpus (9)

• Measurement of conditional phase shifts for quantum logic
• Resonant nonlinear magneto-optical effects in atoms
• Relaxation of atomic polarization in paraffin-coated cesium vapor cells
• Nonlinear magneto-optical rotation with frequency-modulated light
• Investigation of microwave transitions and nonlinear magneto-optical rotation in anti-relaxation-coated cells
• Enhancement of Kerr nonlinearity via multi-photon coherence
• Dynamic effects in nonlinear magneto-optics of atoms and molecules
• Selective addressing of high-rank atomic polarization moments
• Nonlinear magneto-optical rotation of frequency-modulated light resonant with a low-J transition

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• A dual-isotope rubidium comagnetometer to search for anomalous long-range spin-mass (spin-gravity) couplings of the proton
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