Nonlinear properties of electromagnetically induced transparency (EIT) with respect to a weak probe light are studied. We observe EIT in a rubidium vapor, measure the slow light group velocity and the EIT resonance width, and find that those parameters show a strong dependence on the probe power. We theoretically study the influence of the EIT probe dependence on the performance of the EIT-based optical delay lines and magnetometers.
© 2005 Optical Society of America
(020.1670) Atomic and molecular physics : Coherent optical effects
(020.7490) Atomic and molecular physics : Zeeman effect
(190.4180) Nonlinear optics : Multiphoton processes
(270.0270) Quantum optics : Quantum optics
(270.4180) Quantum optics : Multiphoton processes
Dmitry Strekalov, Andrey B. Matsko, and Lute Maleki, "Nonlinear properties of electromagnetically induced transparency in rubidium vapor," J. Opt. Soc. Am. B 22, 65-71 (2005)