2015
DOI: 10.1364/oe.23.018840
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Dynamics of noise-like pulsing at sub-ns scale in a passively mode-locked fiber laser

Abstract: We report an original noise-like pulse dynamics observed in a figure-eight fiber laser, in which fragments are continually released from a main waveform that circulates in the cavity. Particularly, we report two representative cases of the dynamics: in the first case the released fragments drift away from the main bunch and decay over a fraction of the round-trip time, and then vanish suddenly; in the second case, the sub-packets drift without decaying over the complete cavity round-trip time, until they event… Show more

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Cited by 61 publications
(41 citation statements)
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“…2(d). In spite of this, the pedestal presents a marked slope that allows estimating its extension to a few hundreds of ps (much narrower than the duration of the whole bunch), which is consistent with the existence of sub-ns substructures within the NLPs, as discussed in [41]. The peak-to-pedestal ratio is ~5:1.…”
Section: Resultssupporting
confidence: 83%
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“…2(d). In spite of this, the pedestal presents a marked slope that allows estimating its extension to a few hundreds of ps (much narrower than the duration of the whole bunch), which is consistent with the existence of sub-ns substructures within the NLPs, as discussed in [41]. The peak-to-pedestal ratio is ~5:1.…”
Section: Resultssupporting
confidence: 83%
“…4, where 10000 traces are averaged. The quasi-stationary regime observed is similar to the dynamics reported in [41], where sub-structures at sub-ns scale were found to be released from a NLP, drifting away from the main packet on the right side and decaying progressively with increasing distance. For this regime the optical spectrum and the autocorrelation trace are very similar to those of Fig.…”
Section: Resultssupporting
confidence: 82%
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“…Another example of a contained dissipative structure consists of so-called noise-like pulses (NLP) [6,7]. This regime, typical of long lasers (10-100 m) and / or subjected to a strong pumping injection, differs radically from soliton regimes.…”
Section: Introductionmentioning
confidence: 99%