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A theoretical study of saturation effects in three-level laser systems

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2 Author(s)
Reuven, Yakir ; Dept. of Theoretical Physics and Applied Mathematics, Soreq Nuclear Res. Center, Yavne, Israel ; Baer, Michael

Exact numerical solution of a time-space (one dimensional) three-level lasing system (homogeneously broadened) is used to study the relevance of steady-state models to such a system. This study revealed: 1) the existence of two disconnected (quasi) steady-state regions-the small-signal gain region (slow pumping rate) and the high saturation region (large pumping rate), and 2) the spatially averaged equations for the high saturation region have a form similar to those usually employed in the small-signal gain region, except that a constant which in the latter case is unity becomes smaller than 1 in the high saturation region.

Published in:

Quantum Electronics, IEEE Journal of  (Volume:16 ,  Issue: 10 )