We report soliton rains in a tunable Tm-doped fiber laser mode locked by carbon nanotubes. We also detect their second- and third-harmonics. We achieve a tunability of over 56 nm, from 1877 to 1933 nm, by introducing a polarization-maintaining isolator and two in-line polarization controllers. This makes our system promising as a tunable filter for ultrafast spectroscopy.
Wavelength tunable soliton rains in a nanotube-mode locked Tm-doped fiber laser
B. Fu, D. Popa, Z. Zhao, S. A. Hussain, E. Flahaut, T. Hasan, G. Soavi, A. C. Ferrari; Wavelength tunable soliton rains in a nanotube-mode locked Tm-doped fiber laser. Appl. Phys. Lett. 5 November 2018; 113 (19): 193102. https://doi.org/10.1063/1.5047492
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