Abstract

We report an experimental study of multipulsing states in an all-normal dispersion fiber laser using an all-fiber, tunable birefringent spectral filter. Various multipulsing states such as harmonic mode-locking and soliton bunches are observed by tuning the spectral filter. The multipulse evolution in this experiment relies only on the spectral filter characteristics, and it is independent of input pump power and saturable absorber effects. This laser provides an attractive option of controlling the pulse dynamics of a fiber laser with the use of a simple spectral filter.

© 2020 Optical Society of America

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References

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Supplementary Material (2)

NameDescription
» Visualization 1       It shows how the laser changes from the harmonic mode-locking to the soliton bunch.
» Visualization 2       It shows how the number of pulses changes in the soliton bunch.

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Equations (2)

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