Real-time observation of dissociation dynamics within a pulsating soliton molecule

Wang, Xiaoqing; He, Jiangyong; Mao, Baiwei; Guo, Huiyi; Wang, Zhi; Yue, Yang; Liu, Yange

doi:10.1364/oe.27.028214

Cited by 39 publications

(17 citation statements)

References 38 publications

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“…The ability to tailor long-range interactions between solitons in an optomechanical lattice may permit synthesis and control of highly-ordered, macroscopic optical structures, providing a promising platform for studying complex soliton molecules (e.g. their formation 22,51 , dissociation 13,52 , and vibrational modes 45,53 ) and optically simulating many-body systems with particle-like properties. The ability to synthesize highly ordered multi-soliton sequences may also be useful for improving laser micromachining 54 .…”

Section: Discussionmentioning

confidence: 99%

Formation of optical supramolecular structures in a fibre laser by tailoring long-range soliton interactions

Pang

Yeh

et al. 2019

Nat Commun

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Self-assembly of fundamental elements through weak, long-range interactions plays a central role in both supramolecular DNA assembly and bottom-up synthesis of nanostructures. Optical solitons, analogous in many ways to particles, arise from the balance between nonlinearity and dispersion and have been studied in numerous optical systems. Although both short- and long-range interactions between optical solitons have attracted extensive interest for decades, stable soliton supramolecules, with multiple aspects of complexity and flexibility, have thus far escaped experimental observation due to the absence of techniques for enhancing and controlling the long-range inter-soliton forces. Here we report that long-range soliton interactions originating from optoacoustic effects and dispersive-wave radiations can be precisely tailored in a fibre laser cavity, enabling self-assembly of large numbers of optical solitons into highly-ordered supramolecular structures. We demonstrate several features of such optical structures, highlighting their potential applications in optical information storage and ultrafast laser-field manipulation.

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Section: Discussionmentioning

confidence: 99%

Formation of optical supramolecular structures in a fibre laser by tailoring long-range soliton interactions

Pang

Yeh

et al. 2019

Nat Commun

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“…Any instability in the laser is considered to be detrimental for its use in applications. However, some instabilities lead to a regular change of the soliton parameters, such as the periodic changes of the pulse shape and energy from one round trip to another, known as the period bifurcation [42]- [45], which is a universal result of the nonlinear optical system [46], [47] that can be realized in fiber lasers by adjusting the pump strength or PCs. In this simulation when choosing 5-m DSF and 5% modulation depth, we also achieved the period-doubling bifurcate soliton in a pump strength range of 61~66 pJ.…”

Section: Resultsmentioning

confidence: 99%

Spectral Evolution in Fiber Lasers With Soliton Self-Frequency Shift Effect

Han

Cheng

et al. 2021

IEEE Photonics J.

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The generation and evolution process of red shifting in a ultrafast fiber laser with the soliton self-frequency shift are investigated by numerical simulation. And the effect of different parameters including the pump strength, the length of dispersion shift fiber, the modulation depth of saturable absorber and the initial field on the red shifting are analyzed for the first time to our knowledge. By optimizing these parameters, a soliton with the maximum red shifting beyond the laser's gain bandwidth is obtained. In addition, within a narrow parameter range, we have also achieved a novel red-shift period-doubling bifurcated soliton with a periodic switching central wavelength.

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“…The experimental generation of breather-pair molecules in a fiber laser cavity has been reported on a few recent occasions. [15,25,26] The emphasis of the present article is on pushing the similarity in collective behavior between breathing and stationary solitons further. We have reported on the experimental observation and real-time dynamic characterization of different types of breather complexes in a passively mode-locked fiber laser, including tetratomic molecules, and molecular complexes formed by the binding of two diatomic molecules or a diatomic and a monoatomic molecule.…”

Section: Discussionmentioning

confidence: 99%

“…A number of recent works have reported on the observation of breathing soliton-pair molecules in mode-locked fiber lasers. [15,25,26] It is worth mentioning that besides the formation of breather molecules, various notable dynamics of dissipative localized structures have been experimentally studied in mode-locked lasers, including soliton and breather explosions [27][28][29][30][31] and rogue wave generation. [32] In this work, by employing an ultrafast fiber laser setup whose output is spectrally and temporally analyzed in real time, we demonstrate multibreather molecules and two types of breather molecular complexes (BMCs).…”

Section: Introductionmentioning

confidence: 99%

Breather Molecular Complexes in a Passively Mode‐Locked Fiber Laser

Peng

Zhao

Boscolo

et al. 2021

Laser & Photonics Reviews

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Breathing solitons are nonlinear waves in which the energy concentrates in a localized and oscillatory fashion. Similarly to stationary solitons, breathers in dissipative systems can form stable bound states displaying molecule-like dynamics, which are frequently called breather molecules. So far, the experimental observation of optical breather molecules and the real-time detection of their dynamics are limited to diatomic molecules, that is, bound states of only two breathers. In this work, the observation of different types of breather complexes in a mode-locked fiber laser: multibreather molecules, and molecular complexes originating from the binding of two breather-pair molecules or a breather pair molecule and a single breather is reported. The intermolecular temporal separation of the molecular complexes attains several hundreds of picoseconds, which is more than an order of magnitude larger than that of their stationary soliton counterparts and is a signature of long-range interactions. Numerical simulations of the laser model support the experimental findings. Moreover, nonequilibrium dynamics of breathing solitons are also observed, including breather collisions and annihilation. This work opens the possibility of studying the dynamics of many-body systems in which breathers are the elementary constituents.

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Real-time observation of dissociation dynamics within a pulsating soliton molecule

Cited by 39 publications

References 38 publications

Formation of optical supramolecular structures in a fibre laser by tailoring long-range soliton interactions

Formation of optical supramolecular structures in a fibre laser by tailoring long-range soliton interactions

Spectral Evolution in Fiber Lasers With Soliton Self-Frequency Shift Effect

Breather Molecular Complexes in a Passively Mode‐Locked Fiber Laser

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