Flexible pulses from carbon nanotubes mode-locked fiber laser
Yang Ling-Zhen1, 2, †, , Yang Yi1, Wang Juan-Fen1
       

Pulse width tuning. (a) Optical spectra with different bandwidths. (b) Autocorrelation traces of the experimental data (circles) and sech2-shaped fit (solid curves). Inset in the top left corner shows the autocorrelation traces of 87.406 ps.