Impact of Spectral Filtering on Multipulsing Instability in Mode-Locked Fiber Lasers

Zhang, Xianting; Li, Feng; Nakkeeran, K.; Yuan, Jinhui; Kang, Zhe; Kutz, J. Nathan; Wai, P.K.A.

doi:10.1109/jstqe.2017.2771744

Cited by 25 publications

(3 citation statements)

References 33 publications

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“…In order for the modelocked pulse to be stable, it follows that a small perturbation away from the modelocked pulse must experiences net loss. This result is consistent with prior work on multiple pulse modelocking dynamics [29,[42][43][44][45][46]. Physically, the single channel modelocked pulse experiences the loss from the filter.…”

Section: Stability Of the Modelocked Statessupporting

confidence: 90%

Design of a dual-channel modelocked fiber laser that avoids multi-pulsing

et al. 2019

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Multi-channel modelocked lasers and their design have attracted much attention. Here, we use the Swift-Hohenberg equation to study dual-channel simultaneous modelocking (DSML) in a fiber laser. When a quartic filter is added to the laser cavity, the stable dual-channel simultaneous modelocking can be obtained for a given filter bandwidth when frequency separation, ω s , is less than a calculated threshold, ω th . When ω s > ω th , a multipulsing instability occurs. We use a linear stability analysis to determine the limit that the multi-pulsing instability imposes on DSML, and we propose a cavity design that avoids the multi-pulsing instability.

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Section: Stability Of the Modelocked Statessupporting

confidence: 90%

Design of a dual-channel modelocked fiber laser that avoids multi-pulsing

et al. 2019

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“…It is known that spectral filtering plays a key role in the genesis and stability of dissipative solitons; where the spectral filter is used to cut off the field at the end of each roundtrip so as to compensate for the large dispersion-induced positive chirp acquired during the roundtrip [5,6,7]. In soliton-like formation, spectral filtering has a key role also [8,9]. However, this is to some extent forgotten by the fact that most proposals naturally fall where standard fibers present the required anomalous dispersion; i.e., above 1.3 µm.…”

Section: Introductionmentioning

confidence: 99%

All polarization-maintaining passively mode-locked fiber-ring ytterbium-doped laser; from net-normal to net-anomalous dispersion

Cuadrado-Laborde¹,

Carrascosa²,

Dı́ez³

et al. 2020

Laser Phys.

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We investigated the behavior of a fiber-ring polarization-maintaining passively modelocked ytterbium-doped laser in a broad range of dispersion values; i.e., from highly net-normal to net-anomalous, with a special emphasis near the zero of chromatic dispersion. Different lengths of an ad hoc polarization-maintaining photonic crystal fiber were used as intracavity dispersion compensator to shift the operation of this laser from net-normal to the net-anomalous regime. The laser generated the shortest light pulses around the zero of dispersion: 6 ps / 7ps for −0.023 ps 2 / 0.045 ps 2 ; in both cases, pulses were not transform-limited, being theoretically possible an out-of-cavity recompression down to 170 fs / 220 fs, respectively. In the net-normal regime, we obtained a stable, ultra-low frequency, emission at 1.19 MHz, with pulses with a FWHM of 162 ps and pulse energy of 115 pJ. This laser presents a somewhat symmetrical behavior at both sides of the zero of dispersion thanks to its simple filter-free configuration. The laser is also environmentally robust, insensitive against temperature variations and mechanical vibrations, due to its integrated all-polarization-maintaining design.

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“…Since, as the influence of spectral filtering on mode-locked fiber lasers is well known through several studies [18,19], our purpose in the present study is to investigate the impact of the higher-order spectral filtering on the stationary solutions of the CSHE. In recent studies, the effect of spectral filtering in mode-locked fiber lasers with an extended geometrical model was presented [20]. It was demonstrated that the spectral filtering leads to strong nonlinear dynamics in a mode-locked fiber laser cavity, which can be used to understand the pulse dynamics in mode-locked soliton fiber lasers.…”

Section: Introductionmentioning

confidence: 99%

Higher-order Spectral Filtering Effects on the Evolution of Stationary Dissipative Solitons

Kamagaté

Tehini

Bamba³

2019

PSIJ

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A semianalytical method to study the effects of the higher-order spectral filtering in the cubic-quintic complex Swift-Hohenberg equation (CSHE) through the dynamics of one soliton was applied. The approach is based on a reduction from an infinite-dimensional dynamical dissipative system to a finite-dimensional model. This formulation is helpful to study the ground state of the soliton dynamic since it depends on a trial function and a good set of parameters. With real coefficients, the CSHE exhibits stationary dissipative solitons in space with the equation parameters, and the higher-order spectral filtering has a real impact on the cartographies of stationary soliton domain. The detailed analysis reveals the effects of spectral filtering term on the stationary soliton parameters, and displays that it differently influences the cubic and quintic terms of the CSHE. The results highlight the major influence of the spectral filtering on the temporal width of the stationary soliton whereas it does not have a real impact on the amplitude and the spatial width. Kamagate et al.; PSIJ, 22(4): 1-11, 2019; Article no.PSIJ.50641 2 Original Research Article

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Impact of Spectral Filtering on Multipulsing Instability in Mode-Locked Fiber Lasers

Cited by 25 publications

References 33 publications

Design of a dual-channel modelocked fiber laser that avoids multi-pulsing

Design of a dual-channel modelocked fiber laser that avoids multi-pulsing

All polarization-maintaining passively mode-locked fiber-ring ytterbium-doped laser; from net-normal to net-anomalous dispersion

Higher-order Spectral Filtering Effects on the Evolution of Stationary Dissipative Solitons

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