Transients in media with near dipole-dipole interatomic interaction

O. K. Khasanov; G. A. Rusetsky; Vitaly V. Samartsev; T. V. Smirnova; Olga M. Fedotova

doi:10.1117/12.562271

20 April 2004 Transients in media with near dipole-dipole interatomic interaction

O. K. Khasanov, G. A. Rusetsky, Vitaly V. Samartsev, T. V. Smirnova, Olga M. Fedotova

Proceedings Volume 5402, International Workshop on Quantum Optics 2003; (2004) https://doi.org/10.1117/12.562271
Event: International Workshop on Quantum Optics 2003, 2003, St. Petersburg, Russian Federation

Abstract

The effect that may be exerted by an interatomic near dipole-dipole interaction upon optical transient processes in dense resonance media is analyzed. The behavior of the macroscopic polarization after a one-pulse excitation of a dense ensemble of two-level atoms is considered. It is shown that the free polarization signal is of oscillatory nature, with the oscillation frequency varying in time and being dependent on the dipole-dipole interaction constant, the intensity and duration of the exciting pulse, and the detuning of its carrier frequency from the resonance. The free polarization signal decay, which depends on the magnitude and sign of the sum of the detuning of the exciting pulse carrier frequency from the resonance and the Lorentz frequency, may obey either a power or an exponential law. The signal decay rate is determined not only by the inhomogeneous broadening, but also by the ratio of the above parameters. The peculiarities of echo-responses under one- or two-pulse excitation conditions are studied.

Citation Download Citation

O. K. Khasanov, G. A. Rusetsky, Vitaly V. Samartsev, T. V. Smirnova, and Olga M. Fedotova "Transients in media with near dipole-dipole interatomic interaction", Proc. SPIE 5402, International Workshop on Quantum Optics 2003, (20 April 2004); https://doi.org/10.1117/12.562271

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KEYWORDS

Chemical species

Polarization

Absorption

Phase modulation

Signal processing

Transient nonlinear optics

Personal protective equipment

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