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We report on the first experimental observation of bound states of vector dissipative solitons (VDSs) in an erbium-doped fiber laser mode locked with a semiconductor saturable absorber mirror and operated in the normal dispersion regime. Bound states of either the coherently coupled VDSs or the incoherently coupled VDSs were obtained. No polarization evolution was observed for either of the bound...
Large mode area fiber with pre-compensated index profile by asymmetric stress applying part is proposed to effectively cancel out the bending effects. Mode area scalability up to ∼2500 μm2 is presented.
Coexistence of scalar dissipative solitons along the two orthogonally polarized directions of a fiber laser is observed. Due to the large cavity birefringence, the dissipative solitons along different polarization axes have different group velocities.
Bound solitons are observed in a fiber laser passively mode-locked by carbon nanotube saturable absorber for the first time. Such bound solitons are observed to be stable, and have the characteristic of discrete, fixed soliton separations and phase difference of π. Our results once again show that the bound soliton emission is an intrinsic feature of the mode-locked soliton fiber lasers.
Atomic multi-layer graphene film as a saturable absorber was first demonstrated to be able to mode lock Ytterbium-doped fiber lasers at wavelength around 1 um. Determined by the operation conditions, single or multiple dissipative solitons (DSs) can be generated in the fiber lasers. DSs with pulse duration of 550~630 ps were generated. As graphene can also be used to mode lock erbium-doped fiber lasers...
Experimental observation of different types of vector solitons such as the bright-bright, dark-dark, and dark-bright vector soliton in single mode fiber lasers is reported. Experimental techniques for observing each of the vector solitons are explained. Special features of the vector solitons in fiber lasers are numerically simulated and compared with the experiments.
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