Evolution of noise-like pulses in mode-locked fiber laser based on straight graded-index multimode fiber structure

Chen, Tao; Wei, Xianghan; Zhang, Xin; Chen, Lijuan; Ren, Yuhu; Peng, Feng; Zhang, Haikun; Xia, Wei

doi:10.1016/j.optlastec.2021.107347

Cited by 11 publications

(2 citation statements)

References 69 publications

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“…The available choice of artificial saturable absorbers used for mode locking in fibre lasers may be consulted in [16]. In configurations for generation of noise-like pulses, such artificial saturable absorbers are most frequently used as NPE, non-linear optical loop mirrors [24][25][26][27], non-linear amplifying loop mirrors [28][29][30][31], and spatial filters relying on fibre type transitions such as SMF-MMF-SMF [32][33][34][35][36]. It does not appear possible to name a certain of these absorbers as the best, since all of them have their own peculiar advantages and drawbacks.…”

Section: Mode Locking Via Other Artificial Absorbersmentioning

confidence: 99%

Incoherent laser

Kobtsev¹

2022

Advanced Lasers, High-Power Lasers, and Applications XIII

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The report considers prospects of development, on the basis of fibre lasers, of an 'incoherent laser' producing noise-like pulses. The possibility is demonstrated of a radically new radiation source occupying, in terms of output properties, an intermediate place between incandescent bulb and laser. Combination in such a laser of high output beam directivity, brightness and incoherent character of the radiation is quite important in many applications where speckle patterns of the light field are an undesirable effect.

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Section: Mode Locking Via Other Artificial Absorbersmentioning

confidence: 99%

Incoherent laser

Kobtsev¹

2022

Advanced Lasers, High-Power Lasers, and Applications XIII

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“…Li et al 45 obtained broadband NLP by dispersion and nonlinearity management in ytterbium‐doped fiber lasers. Chen et al 46 adopted straight graded‐index multimode fiber to build a ytterbium‐doped fiber laser, and found that the spectrum evolution of NLP pulses is related to the SFE of straight multimode fiber structure in the experiment.…”

Section: Introductionmentioning

confidence: 99%

Dynamics of dissipative soliton and conventional soliton in passively mode‐locked erbium‐doped fiber laser

Gao

Huo

et al. 2022

Micro & Optical Tech Letters

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We have numerically demonstrated the dynamics of dissipative soliton (DS) and conventional soliton (CS) in passively mode-locked erbium-doped fiber (EDF) laser. By adjusting corresponding parameters, DS could turn into inset soliton, rope soliton, and sawtooth soliton. To our knowledge, this is the first time these phenomena mentioned above have been observed. Meanwhile, CS could convert to two-soliton molecules, three-soliton molecules, and noise-like pulses. When studying the convert process and dynamics of CS, we found the phase of CS is closest to 0 compared to all solitons mentioned above, which means that it can play a considerable role in fiber lasers with strict requirements on phase change. Our simulation results can contribute to a better understanding of the various soliton dynamics in passively mode-locked EDF lasers.

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