Self-induced suppression of probe absorption in four-level atomic media

Sh. Petrosyan; Yu. Malakyan

doi:10.1117/12.890875

4 March 2011 Self-induced suppression of probe absorption in four-level atomic media

Sh. Petrosyan, Yu. Malakyan

Proceedings Volume 7998, International Conference on Laser Physics 2010; 79980X (2011) https://doi.org/10.1117/12.890875
Event: International Conference on Laser Physics 2010, 2010, Ashtarak, Armenia

Abstract

The effect of self-induced transparency (SIT) for probe field in the N-type atoms is predicted. The two ground states of atoms are coupled via two photon Raman transitions by means of probe and driving fields, which are strongly detuned from one photon resonance, while the probe field is also resonantly connected to third optical transition from the second ground state. It is found that the probe absorption features the Doppler profile in dependence on Raman detuning δ with a narrow deep for small values of δ. However, in the vicinity of δ=0, an ultra-narrow EIT resonance with subnatural width is observed caused by the probe field itself. The effect is explored analytically and numerically. A scheme is elaborated to demonstrate the SIT experimentally in the alkali vapors at room temperatures.

Citation Download Citation

Sh. Petrosyan and Yu. Malakyan "Self-induced suppression of probe absorption in four-level atomic media", Proc. SPIE 7998, International Conference on Laser Physics 2010, 79980X (4 March 2011); https://doi.org/10.1117/12.890875

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