Unveiling the complexity of spatiotemporal soliton molecules in real time

Guo, Yuankai; Lin, Wei; Wang, Wenlong; Zhang, Runsen; Liu, Tao; Xu, Yiqing; Wei, Xiaoming; Yang, Zhongmin

doi:10.1038/s41467-023-37711-6

Cited by 14 publications

(2 citation statements)

References 36 publications

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“…In addition to single-pulse states, multi-pulse states, including harmonic mode-locking and bound states (or STDS molecules) 55 , 56 , 81 have been observed in MMF lasers. The multi-STDS spatiotemporal characteristics (e.g., pulse separation in a bound state) can be controlled by varying the lasing condition 55 , 56 , 109 , 124 , see Fig. 4 a. Spatially sampled autocorrelation measurements showed that temporal separations of the bound state are the same for pulses spatially sampled at different positions of the output beam, suggesting all the modal pulses are bounded with a uniform pulse separation 55 (Fig.…”

Section: Nonlinear Spatiotemporal Dissipative Soliton Dynamicsmentioning

confidence: 97%

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Spatiotemporal mode-locking and dissipative solitons in multimode fiber lasers

Cao,

Gao,

Liu

et al. 2023

Light Sci Appl

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Multimode fiber (MMF) lasers are emerging as a remarkable testbed to study nonlinear spatiotemporal physics with potential applications spanning from high energy pulse generation, precision measurement to nonlinear microscopy. The underlying mechanism for the generation of ultrashort pulses, which can be understood as a spatiotempoal dissipative soliton (STDS), in the nonlinear multimode resonators is the spatiotemporal mode-locking (STML) with simultaneous synchronization of temporal and spatial modes. In this review, we first introduce the general principles of STML, with an emphasize on the STML dynamics with large intermode dispersion. Then, we present the recent progress of STML, including measurement techniques for STML, exotic nonlinear dynamics of STDS, and mode field engineering in MMF lasers. We conclude by outlining some perspectives that may advance STML in the near future.

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Section: Nonlinear Spatiotemporal Dissipative Soliton Dynamicsmentioning

confidence: 97%

“…The example shown in Fig. 3 c used speckle-resolved sampling and dispersive Fourier transform (DFT) technique 108 for real-time observation of spectral dynamics for STDSs 60 , 62 , 109 .…”

Section: Nonlinear Spatiotemporal Dissipative Soliton Dynamicsmentioning

confidence: 99%

Spatiotemporal mode-locking and dissipative solitons in multimode fiber lasers

Cao,

Gao,

Liu

et al. 2023

Light Sci Appl

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Deep Learning for Dynamic Modeling and Coded Information Storage of Vector‐Soliton Pulsations in Mode‐Locked Fiber Lasers

Si,

Wang,

Zhu

et al. 2024

Laser & Photonics Reviews

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Soliton pulsations are ubiquitous feature of non‐stationary soliton dynamics in mode‐locked lasers and many other physical systems. To overcome difficulties related to a huge amount of necessary computations and low efficiency of traditional numerical methods in modeling the evolution of non‐stationary solitons, a two‐parallel bidirectional long short‐term memory recurrent neural network (TP‐Bi_LSTM RNN) is proposed, with the main objective to predict dynamics of vector‐soliton pulsations (VSPs) in various complex states, whose real‐time dynamics is verified by experiments. For two examples, viz., single‐ and bi‐periodic VSPs, with period‐21 and a combination of period‐3 and period‐43, the prediction results are better than provided by direct simulations – namely, deviations produced by the TP‐Bi_LSTM RNN results are 36% and 18% less than those provided by the simulations, respectively. This means that predicted results provided by the neural network are better than numerical simulations. Moreover, the prediction results for unstable VSP state with period‐9 indicate that the optimization of training sets and the number of training iterations are particularly important for the predictability. Besides, the scheme of coded information storage based on the TP‐Bi_LSTM RNN, instead of actual pulse signals, is realized too. The findings offer new applications of deep learning to ultrafast optics and information storage.

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Vector pure-quartic soliton molecule fiber laser

Zhu,

Yang,

et al. 2023

Chaos, Solitons & Fractals

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Unveiling the complexity of spatiotemporal soliton molecules in real time

Cited by 14 publications

References 36 publications

Spatiotemporal mode-locking and dissipative solitons in multimode fiber lasers

Spatiotemporal mode-locking and dissipative solitons in multimode fiber lasers

Deep Learning for Dynamic Modeling and Coded Information Storage of Vector‐Soliton Pulsations in Mode‐Locked Fiber Lasers

Vector pure-quartic soliton molecule fiber laser

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