Ultrashort pulse amplification in the induced optical anisotropic medium

Mariam H. Hovhannisyan; Atom Zh. Muradyan

doi:10.1117/12.923615

25 January 2012 Ultrashort pulse amplification in the induced optical anisotropic medium

Mariam H. Hovhannisyan, Atom Zh. Muradyan

Proceedings Volume 8414, Photonics and Micro- and Nano-structured Materials 2011; 841410 (2012) https://doi.org/10.1117/12.923615
Event: Photonics and Micro- and Nano- structured Materials 2011, 2011, Yerevan, Armenia

Abstract

The coherent response accumulation method is used to assess the ability to amplify the polarization rotated component of a probe beam about two-photon resonance conditions. Atomic gas of alkaline metal atoms is chosen as a medium of interest. Probe wave connects the atomic ground state nS_1/2 with the excited doublet nP_1/2,3/2, which in its turn is coupled to the higher excited level n'S_1/2 by an intense pump field. The relaxation processes and the Doppler effect are also included into the theory. It is shown that sequentially changing the input probe field's phase from 0 till and vice-versa, one can get about 2 times narrowing and more than 14 times amplification of intensity for the final part of rotated component of the probe wave.

Citation Download Citation

Mariam H. Hovhannisyan and Atom Zh. Muradyan "Ultrashort pulse amplification in the induced optical anisotropic medium", Proc. SPIE 8414, Photonics and Micro- and Nano-structured Materials 2011, 841410 (25 January 2012); https://doi.org/10.1117/12.923615

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