Coherent pulse propagation and self-induced transparency on degenerate transitions in atomic iodine
- 1 July 1984
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 30 (1), 354-364
- https://doi.org/10.1103/physreva.30.354
Abstract
Coherent propagation of intense short laser pulses through degenerate absorbing media is investigated with the use of an atomic-iodine laser-absorber self-resonant combination. Four degenerate systems, the , , and , transitions, are studied under various conditions. Theoretical analysis based on the "pulse-area—pulse-energy" approach shows different pulse propagation behaviors for three typical types of degeneracy. Experimental results give good agreement with theoretical predictions. It is concluded that self-induced transparency exists in any degenerate two-level system, provided that suitable polarization of radiation is used. The usefulness of self-induced-transparency phenomena for measurements of transitional dipole moment and homogeneous relaxation time is also demonstrated.
Keywords
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