Self-organized compound pattern and pulsation of dissipative solitons in a passively mode-locked fiber laser

Wang, Zhenhong; Wang, Zhi; Liu, Yange; He, Ruijing; Zhao, Jian; Wang, Guangdou; Yang, Guang

doi:10.1364/ol.43.000478

Cited by 83 publications

(34 citation statements)

References 31 publications

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“…In addition to their widespread use as sources of ultrashort pulses for many applications, mode-locked lasers constitute an ideal platform for the fundamental exploration of complex dissipative nonlinear dynamics. Various notable nonlinear phenomena have been observed in mode-locked lasers, including rogue waves (13,14), soliton molecules and molecular complexes (15)(16)(17)(18), pulsations of soliton bunches (19), and soliton explosions (20)(21)(22). Furthermore, a recent theoretical work using the master equation approach (23) has showed that there are regimes of operation in which laser oscillators may generate breathing solitons with large ratios of maximal to minimal energies in each period of pulsation.…”

Section: Introductionmentioning

confidence: 99%

Breathing dissipative solitons in mode-locked fiber lasers

et al. 2019

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Dissipative solitons are self-localized coherent structures arising from the balance between energy supply and dissipation. Besides stationary dissipative solitons, there are dynamical ones exhibiting oscillatory behavior, known as breathing dissipative solitons. Substantial interest in breathing dissipative solitons is driven by both their fundamental importance in nonlinear science and their practical applications, such as in spectroscopy. Yet, the observation of breathers has been mainly restricted to microresonator platforms. Here, we generate breathers in a mode-locked fiber laser. They exist in the laser cavity under the pump threshold of stationary mode locking. Using fast detection, we are able to observe the temporal and spectral evolutions of the breathers in real time. Breathing soliton molecules are also observed. Breathers introduce a new regime of mode locking into ultrafast lasers. Our findings may contribute to the design of advanced laser sources and open up new possibilities of generating breathers in various dissipative systems.

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Section: Introductionmentioning

confidence: 99%

Breathing dissipative solitons in mode-locked fiber lasers

et al. 2019

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“…The recently developed time-stretch dispersive Fourier transform (TS-DFT) technique provides a powerful way for real-time, single-shot measurements of ultrafast phenomena [23]. This technique helps scientists to experimentally resolve the evolution of femtosecond soliton molecules [24][25][26], the dynamics of soliton explosions [27], and pulsating solitons [28,29]. The TS-DFT technique was also employed to measure the build-up process of solitons [2,25,[30][31][32][33][34][35].…”

Section: Introductionmentioning

confidence: 99%

Revelation of the birth and extinction dynamics of solitons in SWNT-mode-locked fiber lasers

Cui

Liu

2019

Photon. Res.

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The dispersive Fourier transform (DFT) technique opens a fascinating pathway to explore ultrafast non-repetitive events and has been employed to study the build-up process of mode-locked lasers. However, the shutting process for the mode-locked fiber laser seems to be beyond the scope of researchers, and the starting dynamics under nearzero dispersion remains unclear. Here, the complete evolution dynamics (from birth to extinction) of the conventional soliton (CS), stretched pulse (SP), and dissipative soliton (DS) are investigated by using the DFT technique. CS, SP, and DS fiber lasers mode locked by single-walled carbon nanotubes (SWNTs) are implemented via engineering the intracavity dispersion map. The relaxation oscillation can always be observed before the formation of stable pulse operation due to the inherent advantage of SWNT, but it exhibits distinct evolution dynamics in the starting and shutting processes. The shutting processes are dependent on the dispersion condition and turn-off time, which is against common sense. Some critical phenomena are also observed, including transient complex spectrum broadening and frequency-shift interaction of SPs and picosecond pulses. These results will further deepen understanding of the mode-locked fiber laser from a real-time point of view and are helpful for laser design and applications.

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“…By using the TS-DFT technique, they found the spacing of solitons in one bunch is different, while their phase relation is fixed. Soliton pulsation was also observed, and Kelly sideband appeared with the pulsating period [246]. The study on the dynamics of soliton molecule brings new perspectives for ultrafast transient dynamics and opens new pathways of pulses evolution and interaction that will reveal the physics of solitons dynamics in nonlinear system.…”

Section: Buildup Dynamics Of Soliton Moleculesmentioning

confidence: 89%

Dynamics of carbon nanotube-based mode-locking fiber lasers

2020

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AbstractCarbon nanotube (CNT) can work as excellent saturable absorber (SA) due to its advantages of fast recovery, low saturation intensity, polarization insensitivity, deep modulation depth, broad operation bandwidth, outstanding environmental stability, and affordable fabrication. Its successful application as SA has promoted the development of scientific research and practical application of mode-locked fiber lasers. Besides, mode-locked fiber laser constitutes an ideal platform for investigating soliton dynamics which exhibit profound nonlinear optical dynamics and excitation ubiquitous in many fields. Up to now, a variety of soliton dynamics have been observed. Among these researches, CNT-SA is a key component that suppresses the environmental perturbation and optimizes the laser system to reveal the true highly stochastic and non-repetitive unstable phenomena of the initial self-starting lasing process. This review is intended to provide an up-to-date introduction to the development of CNT-SA based ultrafast fiber lasers, with emphasis on recent progress in real-time buildup dynamics of solitons in CNT-SA mode-locked fiber lasers. It is anticipated that study of dynamics of solitons can not only further reveal the physical nature of solitons, but also optimize the performance of ultrafast fiber lasers and eventually expand their applications in different fields.

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Self-organized compound pattern and pulsation of dissipative solitons in a passively mode-locked fiber laser

Cited by 83 publications

References 31 publications

Breathing dissipative solitons in mode-locked fiber lasers

Breathing dissipative solitons in mode-locked fiber lasers

Revelation of the birth and extinction dynamics of solitons in SWNT-mode-locked fiber lasers

Dynamics of carbon nanotube-based mode-locking fiber lasers

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