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This study aims to examine the formation and transformation of noise-like pulses into loosely bound solitons in an Er-doped fiber laser.

Transformation of Noise-Like Pulses into Loosely Bound Solitons in Er-Doped Fiber Laser

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This study aims to examine the formation and transformation of noise-like pulses into loosely bound solitons in an Er-doped fiber laser.
Conducted experiments in a dispersion-managed cavity
Measured noise-like pulses with specific duration and peak characteristics
Analyzed loosely bound two-pulse solitons with defined spacing
Investigated the effect of positive net-cavity group velocity dispersion
Explored interaction with quasi-periodic intensity modulation
Noise-like pulses with a pedestal of 0.954 ps and peak duration of 66 fs were generated.
Loosely bound solitons exhibited a duration of 141 fs and a pulse spacing of 7.31 ps.
Pulse splitting associated with modulation instability was observed.
Temporal fluctuations of multipulse states were influenced by these transformations.
Changes in intracavity energy levels were linked to the observed transformations.

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Experimental findings demonstrate the transformation of noise-like pulses into solitons, suggesting new insights in fiber laser dynamics.

Fedorenko et al. (2025) studied this question.

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