Quantum control of the spin-orbit interaction using the Autler-Townes effect

E. H. Ahmed, S. Ingram, T. Kirova, O. Salihoglu, J. Huennekens, J. Qi, Y. Guan, A. M. Lyyra

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Abstract

We have demonstrated quantum control of the spin-orbit interaction based on the Autler-Townes (ac-Stark) effect in a molecular system using a cw optical field. We show that the enhancement of the spin-orbit interaction between a pair of weakly interacting singlet-triplet rovibrational levels, GΠg1(v=12,J=21,f)-1Σg-3(v=1,N=21,f), separated by 750 MHz in the lithium dimer, depends on the Rabi frequency (laser power) of the control laser. The increase in the spin-orbit interaction due to the control field is observed as a change in the spin character of the individual components of the perturbed pair.

Original languageEnglish (US)
Article number163601
JournalPhysical Review Letters
Volume107
Issue number16
DOIs
StatePublished - Oct 11 2011

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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    Ahmed, E. H., Ingram, S., Kirova, T., Salihoglu, O., Huennekens, J., Qi, J., Guan, Y., & Lyyra, A. M. (2011). Quantum control of the spin-orbit interaction using the Autler-Townes effect. Physical Review Letters, 107(16), [163601]. https://doi.org/10.1103/PhysRevLett.107.163601