Nonlinear multimodal interference for ytterbium-doped all-fiber mode-locking noise-like pulse generation

Lv, Zhiguo; Yang, Zhi; Song, Dongdong; Li, Feng; Yang, Xiaojun; Yang, Yang; Wang, Yishan; Li, Qianglong; Zhao, Wei

doi:10.7567/1882-0786/aaf417

Cited by 29 publications

(9 citation statements)

References 60 publications

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“…The pulse envelope is not split even though increasing pump power, which confirms to the characteristic of noise-like pulse. Because of this, the noise-like pulses can be easily obtained the large pulse energy [41,42] . In addition, the intensity ratio of the coherent peak to the envelope is 5:4 that is larger than 2:1.…”

Section: Resultsmentioning

confidence: 99%

Few-layer bismuthene for 1-μm ultrafast laser applications

Feng¹,

Li²,

Chai³

et al. 2019

Preprint

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Bismuthene, as a new two-dimensional (2D) material made up of diazo metal elements, has drawn massive attention for its unique electronic, mechanical, and quantum properties. However, the nonlinear optical properties of bismuthene in 1-µm region, especially their applications for ultrafast photonics and internal ultrashort pulse dynamics, has seldom been explored yet. In this work, we investigate the few-layer bismuthene characterizations and apply it as a saturable absorber (SA) in a 1-μm ultrafast pulse generation. Thanks to the narrow bandgap of bismuthene and tapered fiber structure, A special noise like pulse has been obtained. The dynamics is also quite different from previous observed pulses, whose intensity ratio of coherent peak and envelope components is of around 5:4 from the autocorrelation trace. It’s demonstrated that the abnormal noise-like pulses contain more uniform-intensity sub pulses. This proposed pulsed fiber laser based on bismuthene SA source is well suitable for some applications such as material processing, optical logics etc.

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Section: Resultsmentioning

confidence: 99%

Few-layer bismuthene for 1-μm ultrafast laser applications

Feng¹,

Li²,

Chai³

et al. 2019

Preprint

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“…The presented fiber laser had high stability and could find applications in optical metrology and supercontinuum generation. Later, noise-like pulses in ring fiber laser based on SIMF-GIMF structure were presented, which had high average power of 279 mW at 41 MHz repetition rate [73]. As shown in Fig.…”

Section: Yb-doped Fiber Lasersmentioning

confidence: 99%

All-Fiber Saturable Absorbers for Ultrafast Fiber Lasers

Zhao

Chen

et al. 2019

IEEE Photonics J.

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The past decade has witnessed tremendous achievements of ultrafast fiber laser technologies due to rapid developments of saturable absorbers (SAs) based on, in particular, nanomaterials such as 0D quantum dot, 1D carbon nanotubes, 2D layered materials, and 3D nanostructures. However, most of those nanomaterials-based SAs are inevitably absence of the high damage threshold and all-fiber integration, therefore challenging their applications on highly integrated and high-energy pulse generations. Recently, the real all-fiber SAs based on the nonlinear multimodal interference (NLMMI) technique using multimode fibers are demonstrated to overcome the above limitations. In this review, a detailed summary of the recent advances in NLMMI-based all-fiber SAs is provided, including the fundamental theory, implementation scenarios, and ultrafast fiber lasers of the all-fiber SAs, covering wide wavelength range of 1, 1.55, and 2 μm. In addition to the state-of-the-art overview, optical rogue waves in the all-fiber SA-based ultrafast fiber laser are extensively analyzed, which reveals the laser physics behind the dynamics from low-energy to high-energy pulses and directs the design of high-energy ultrafast fiber lasers. The conclusions and perspectives of the all-fiber SAs are also discussed at the end.

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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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Nonlinear multimodal interference for ytterbium-doped all-fiber mode-locking noise-like pulse generation

Cited by 29 publications

References 60 publications

Few-layer bismuthene for 1-μm ultrafast laser applications

Few-layer bismuthene for 1-μm ultrafast laser applications

All-Fiber Saturable Absorbers for Ultrafast Fiber Lasers

Incoherent laser

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