Fig. 5
From: Pure-high-even-order dispersion bound solitons complexes in ultra-fast fiber lasers

Measured spectra of PHEOD bound multi-solitons with fixed pump power, fine-tuning PC and taking (a) β8 as -3.99 ps8 (light blue, red), β10 as –3.99 ps10 (light orange). a1a2a3 is the amplified spectra illustrated by the dotted box. b Corresponding autocorrelation traces