Non-linear interactions in electromagnetically induced transparency and related pump-probe optical phenomena

Verne L. Jacobs

doi:10.1117/12.816320

2 February 2009 Non-linear interactions in electromagnetically induced transparency and related pump-probe optical phenomena

Verne L. Jacobs

Author Affiliations +

Proceedings Volume 7226, Advances in Slow and Fast Light II; 722608 (2009) https://doi.org/10.1117/12.816320
Event: SPIE OPTO: Integrated Optoelectronic Devices, 2009, San Jose, California, United States

Abstract

Reduced density matrix descriptions are developed for linear and non-linear interactions in electromagnetically induced transparency and related pump-probe optical phenomena involving moving atomic systems. Applied magnetic fields as well as atomic collisions, together with other environmental decoherence and relaxation processes, are taken into account. Time-domain (equation-of-motion) and frequency-domain (resolvent-operator) formulations are developed in a unified manner. The standard Born (lowest-order perturbation-theory) and Markov (short-memory-time) approximations are systematically introduced within the framework of the general non-perturbative and non-Markovian formulations. A preliminary semiclassical treatment of the electromagnetic interaction is adopted. However, the need for a fully quantum mechanical approach is emphasized. Compact Liouville-space operator expressions are derived for the linear and the general (n'th order) non-linear macroscopic electromagnetic-response tensors within the framework of a perturbation-theory treatment of the semiclassical electromagnetic interaction. These expressions can be evaluated for coherent initial atomic excitations and for the full tetradic-matrix form of the Liouville-space self-energy operator representing the environmental interactions in the Markov approximation. Collisional interactions between atoms can be treated in various approximations for the self-energy operator, and the influence of Zeeman coherences on the electromagnetic-pulse propagation can be investigated.

Citation Download Citation

Verne L. Jacobs "Non-linear interactions in electromagnetically induced transparency and related pump-probe optical phenomena", Proc. SPIE 7226, Advances in Slow and Fast Light II, 722608 (2 February 2009); https://doi.org/10.1117/12.816320

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