Control of laser radiation parameters

Change in the pulse profile and phase self-modulation in a medium of three-level atoms near a two-photon resonance

G. G. Grigoryan, A. O. Melikyan


Abstract: Exact analytic solutions are obtained of the equations describing propagation of an adiabatic ultrashort light pulse. It is shown that phase self-modulation is the dominant mechanism of pulse deformation. A strong increase in the slope of the envelope is observed at the trailing edge of a pulse and this broadens considerably the emission spectrum.

UDC: 621.373.826

PACS: 42.65.Jx, 42.65.Re, 32.80.-t

Received: 11.06.1987

 English version: Soviet Journal of Quantum Electronics, 1988, 18:5, 669–671

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