Abstract

We report on the multipulse dynamics in an erbium-doped fiber Mamyshev oscillator. It was demonstrated that, in addition to the single pulse, the multipulse patterns could be observed by adjusting the pump power, where the multiple pulses operated in random distributed state or bound state. Particularly, the multiple pulses could exhibit apparent difference in intensity, which was attributed to the unique step-like saturable absorption property of the Mamyshev oscillator. The individual pulse spectrum could be assessed by utilizing dispersive Fourier transform technique. It was found that the multiple pulses with different intensities correspond to different spectral profiles. These findings give some new insights into the pulse dynamics in Mamyshev oscillators.

© 2020 Optical Society of America

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