Nowadays, passive mode-locked fiber lasers (PML-FLs) have provided a platform to investigate various intriguing pulse dynamics like dissipative solitons (DSs) [1], rectangular pulse [2], bound solitons [3], dark soliotns, noise like pulse (NLP) and so on. Since the first experimental demonstration by the Horowitz et al in PML Er-doped fiber laser, the NLP has attracted great attention with the characteristics of relative wide spectrum bandwidth [4] that can be used for bio-medical diagnostics. However, the dynamics of NLP in PML-YDFLs has been seldom reported. In this work, we investigated the soliton dynamics of transition of DSs to the NLP after insertion of slit inside cavity of YDFL.

© 2016 Japan Society of Applied Physics, Optical Society of America

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