Quantum limit of optical magnetometry in the presence of ac Stark shifts
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The influence of ac Stark shifts on the sensitivity of optical magnetometers was analytically studied. These shifts caused a broadening of the relevant resonances and gave rise to additional noise contributions. In absorption-type magnetometers, the ac Stark-associated broadening and power broadening led to a reduction of the signal. The classical part of the effects was completely compensated in an electromagnetically induced transparency (EIT) magnetometer in Faraday configuration.
Physical Review A - Atomic, Molecular, and Optical Physics
author list (cited authors)
Fleischhauer, M., Matsko, A. B., & Scully, M. O.
complete list of authors
Fleischhauer, M||Matsko, AB||Scully, MO