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Wavelength-tunable picosecond pulses from a passively mode-locked figure-eight Erbium-doped fiber laser with a Sagnac fiber filter

2008; Springer Nature; Volume: 3; Linguagem: Inglês

10.2971/jeos.2008.08036

1990-2573

B. Ibarra-Escamilla, O. Pottiez, Joseph W. Haus, E. A. Kuzin, M. Bello-Jiménez, A. Flores-Rosas,

Advanced Fiber Optic Sensors

We experimentally demonstrated a wavelength-tunable passively mode-locked Erbium-doped figure-eight fiber laser. Wide tunability is achieved using a high-birefringence (hi-bi) fiber Sagnac loop. The filter transmission pass wavelength is controlled by thermally adjusting the hi-bi fiber loop length. The output pulses are wavelength tunable over a range from 1525 nm to 1555 nm. The FWHM of the autocorrelation trace is about 3.1 ps and the pulse spectrum has a FWHM of 1.5 nm. The pulse temporal and spectral widths remain constant over the tunable range.