IBARRA-VILLALON, H.E. et al. Principles of operation of a passively mode-locked fiber ring laser and 3D mapping of ultra-short pulses. Rev. mex. fís. E []. 2018, 64, 2, pp.195-204. ISSN 1870-3542.

In this article, we study the operation and basic elements in a passively mode-locked fiber ring laser (PML-FRL), emphasizing the saturable absorber (SA) effect seen as a nonlinear filter in transmission, which is produced by the non-linear polarization rotation (NPR) and a linear polarizer. Besides, we employ a technique of 3D mapping measurements for characterizing ultra-short pulse dynamics.

: Mode locked fiber laser; saturable absorber; nonlinear fiber optics; pulse dynamics.

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