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Optical Engineering

Control of the square pulse properties in figure-of-eight microstructured fiber laser
Author(s): Faouzi Bahloul; Khmaies Guesmi; Mohamed Salhi; François Sanchez; Rabah Attia
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Paper Abstract

We numerically analyze the square pulse emission from a passively mode-locked figure-of-eight microstructured optical fiber laser. Numerical simulations demonstrate that the high nonlinearity of the microstructured fiber plays a key role in the output pulse duration. A dual-stage erbium-doped fiber amplifier has been used in the cavity. The first amplifier, localized in the nonlinear amplifying loop mirror, allows control of the pulse width, while the second amplifier in the unidirectional ring allows variation of the amplitude without affecting the pulse width. Our results give some physical insight to the square pulse formation and the generation of high-energy pulses. Our numerical model provides a general approach to control the properties of a square pulse, and hence could be of great importance for the design of practical high-energy fiber laser systems.

Paper Details

Date Published: 1 February 2016
PDF: 5 pages
Opt. Eng. 55(2) 026102 doi: 10.1117/1.OE.55.2.026102
Published in: Optical Engineering Volume 55, Issue 2
Show Author Affiliations
Faouzi Bahloul, Ecole Nationale d'Ingénieurs de Tunis (Tunisia)
Univ. of Carthage (Tunisia)
Khmaies Guesmi, Univ. de Carthage (Tunisie)
Univ. d'Angers (France)
Mohamed Salhi, Univ. d'Angers (France)
François Sanchez, Univ. d'Angers (France)
Rabah Attia, Ecole Nationale d'Ingénieurs de Tunis (Tunisia)
Univ. of Carthage (Tunisia)

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