This article is cited in 1 paper

Control of laser radiation parameters

Influence of saturable absorber saturation power, modulation depth and relaxation time on pulse parameters of a soliton fibre laser

A. A. Mastin^a, P. A. Ryabochkina<sup>b

a</sup> Technopark Mordovia, Saransk
^b Ogarev Mordovia State University, Saransk

Abstract: The influence of the saturable absorber saturation power, modulation depth and relaxation time on the energy and shape of fibre soliton laser pulses has been studied by numerical simulation. The results suggest that the use of a saturable absorber with a lower saturation power in a fibre laser ensures pulsed lasing onset at a lower gain. The fibre laser pulse energy decreases as the saturation power of the absorber or the relaxation time of its open state increases at a constant gain coefficient. In addition, increasing the absorber saturation modulation depth at a constant gain coefficient has been shown to reduce the pulse peak power and energy.

Keywords: fibre laser, soliton energy, saturable absorber, time – bandwidth product.

Received: 16.08.2019
Revised: 17.11.2019

 English version: Quantum Electronics, 2020, 50:4, 419–424

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