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| 1 | Real-time dynamics of soliton triplets in fiber lasers显示文摘The evolution of soliton molecules emphasizes the complex soliton dynamics akin to matter molecules.Beyond the simplest soliton molecule-a soliton pair constituted by two bound pulses-soliton molecules with more constituents have more degrees of freedom because of the temporal pulse separations and relative phases.Here we detailedly characterize the transient dynamics of soliton triplets in fiber lasers by using the dispersive Fourier transform measurement.A particular form of leading,central,and tailing pulses is constructed to shed new light on more intriguing scenarios and fuel the molecular analogy.Especially the vibrating dynamics of the central and tailing pulses are captured near the regime of equally spaced soliton triplets,which is reminiscent of the recurrent timing jitters within multi-pulse structures.Further insights enable acess into a universal form of unequally spaced soliton triplets interpreted as 2+1 soliton molecules.Different binding strengths of intramo-lecular and intermolecular bonds are validated with respect to the diverse internal motions involved in this soliton triplet molcule.All these findings unveil the transient dynamics with more degrees of freedom as well as highlight the possible application for all-optical bit storage. | YIYANG LUO RAN XIA PERRY PING SHUM WENJUN NI YUSONG LIU HUY QUOC LAM QIZHEN SUN XIAHUI TANG LUMING ZHAO | 2020 | Photonics Research2020，8，6： | 3 |
| 2 | A modified virtual source method for off-axis unstable re- sonators with large equivalent fresnel number显示文摘 | LI GEN TANG XIAHUI QIN YINGXIONG | 2012 | Optik2012，123，20： | 1 |
| 3 | Eigenvector method for unstable resonator simulations显示文摘 | WANG DU QIN YINGXIONG TANG XIAHUI | 2012 | Optics Communications2012，285，1011： | 1 |
| 4 | Nonlinear Fourier transform enabled eigenvalue spectrum investigation for fiber laser radiation显示文摘Fiber lasers are a paradigm of dissipative systems,which distinguish themselves from a Hamilton system where energy is conservative.Consequently,pulses generated in a fiber laser are always accompanied by the continuous wave(CW).Under certain hypothesis,pulses generated in a fiber laser can be considered as a soliton,a product of a Hamilton system.Therefore,all the descriptions of solitons of a fiber laser are approximate.Coexistence of solitons and the CW from a fiber laser prevents unveiling of real nonlinear dynamics in fiber lasers,such as soliton interactions.Pulse behavior in a fiber laser can be represented by the state of single pulse,the state of period doubling of single pulse,the states of two pulses either tightly bound or loosely distributed,the states of three pulses,and various combinations of the above-mentioned states.Recently,soliton distillation was proposed and numerically demonstrated based on the nonlinear Fourier transform(NFT)[J.Lightwave Technol.39,2542(2021)].Solitons can be separated from the coherent CW background.Therefore,it is feasible to isolate solitons from CW background in a fiber laser.Here,we applied the NFT to various pulses generated in a fiber laser,including single pulse,single pulse in period doubling,different double pulses,and multiple pulses.Furthermore,with the approach of soliton distillation,the corresponding pure solitons of those pulses are reconstructed.Simulation results suggest that the NFT can be used to identify soliton dynamics excluding CW influence in a fiber laser,which paves a new way for uncovering real soliton interaction in nonlinear systems. | YUTIAN WANG SONGNIAN FU JIAN KONG ANDREY KOMAROV MARIUSZ KLIMCZAK RYSZARD BUCZY'n SKI XIAHUI TANG MING TANG YUWEN QIN LUMING ZHAO | 2021 | Photonics Research2021，9，8： | 1 |
| 5 | Toric Concave Mirror Laser Re- sonator with a Big Fresnel Number 显示文摘 | Qin Yingxiong Tang Xiahui | 2009 | Optics Letters2009，34，7： | 1 |
| 6 | Toric concave mirror laser resonator with a big Fresnel number 显示文摘 | QIN YINGXIONG TANG XIAHUI XIAO YU | 2009 | Optics Letters2009，34，9： | 1 |
| 7 | Eigenvector method for unstable resonator simula- tions 显示文摘 | WANG DU QIN YINGXIONG TANG XIAHUI | 2012 | Optics Communications2012，285，10： | 1 |
| 8 | Carbon Reserve Characteristics of Arbor Layer in Mid-subtropical Evergreen Broad-leaved Forest显示文摘In this paper, secondary forest of Pinus massoniana , coniferous-broad-leaved mixed forest and broad-leaved evergreen forest were taken as research objects, to explore carbon reserve of arbor layer and its spatial distribution characteristics. At different succession stages, the sequence of organic carbon content in each organ was secondary forest of P. massoniana > coniferous-broad-leaved mixed forest> broad-leaved evergreen forest. Carbon reserve of arbor layer was the highest in broad-leaved evergreen forest, which was 129.34 t/hm 2, followed by coniferous-broad-leaved mixed forest (95.83 t/hm 2), and the minimum was 85.27 t/hm 2 in secondary forest of P. massoniana . In each stand type, the sequence of carbon reserve of each organ in arbor layer was trunk>root>branch>leaf>bark. Carbon reserve of arbor layer mainly concentrated in trunk, and the proportion to carbon reserve of arbor layer declined from secondary forest of P. massoniana to broad-leaved evergreen forest, while it had increasing relationship in root. In secondary forest of P. massoniana , coniferous-broad-leaved mixed forest and broad-leaved evergreen forest, individual with the diameter more than 20 cm accounted for the majority of carbon reserve in the arbor layer. | Zeng Zhangquan Wang Ying Li Minghong Tang Hong Yang Rui Zhang Canming Zeng Xiahui | 2019 | Meteorological and Environmental Research2019，10，4： | 0 |
| 9 | Phase-tailored assembly and encoding of dissipative soliton molecules显示文摘Self-assembly of particle-like dissipative solitons,in the presence of mutual interactions,emphasizes the vibrant concept of soliton molecules in varieties of laser resonators.Controllable manipulation of the molecular patterns,held by the degrees of freedom of internal motions,still remains challenging to explore more efficient and subtle tailoring approaches for the increasing demands.Here,we report a new phase-tailored quaternary encoding format based on the controllable internal assembly of dissipative soliton molecules.Artificial manipulation of the energy exchange of soliton-molecular elements stimulates the deterministic harnessing of the assemblies of internal dynamics.Self-assembled soliton molecules are tailored into four phase-defined regimes,thus constituting the phase-tailored quaternary encoding format.Such phase-tailored streams are endowed with great robustness and are resistant to significant timing jitter.All these results experimentally demonstrate the programmable phase tailoring and exemplify the application of the phase-tailored quaternary encoding,prospectively promoting high-capacity all-optical storage. | Yusong Liu Siyun Huang Zilong Li Haoguang Liu Yixiang Sun Ran Xia Lisong Yan Yiyang Luo Huanhuan Liu Gang Xu Qizhen Sun Xiahui Tang Perry Ping Shum | 2023 | Light(Science & Applications)2023，12，6： | 0 |
| 10 | Biomass Characteristics of the Arbor Layer in Different Stands of the Evergreen Broad-Leaved Forest显示文摘In this paper, the Pinus massoniana forest in the early stage of succession, the coniferous broad-leaved mixed forest in the middle stage of succession, and the evergreen broad-leaved forest in the late stage of succession were studied, and the biomass and its spatial distribution characteristics of the tree layer in different succession stages of the ecosystem were discussed. The results showed that the biomass of the arbor layer was the highest in the evergreen broad-leaved forest, which was 292.51 t/ hm2, followed by the coniferous and broad-leaved mixed forest, which was 206.87 t/hm2, and the Pinus massoniana forest, which was 171.76 t/hm2. The biomass of trunks accounted for the largest proportion in the total biomass of the arbor layer, which reduced from the Pinus massoniana forest to the evergreen broad-leaved forest. The proportion of the biomass of roots in the total biomass of the arbor layer increased from the Pinus massoniana forest to the evergreen broad-leaved forest. The biomass of the diameter class above 20 cm in the Pinus massoniana forest, the coniferous and broad-leaved mixed forest and the evergreen broad-leaved forest accounted for a large proportion of total biomass. | ZENG Zhangquan TANG Hong LI Minghong YANG Rui ZHANG Canming WANG Ying ZENG Xiahui | 2019 | Journal of Landscape Research2019，11，3： | 0 |
| 11 | Construction of Biomass Model of Phylloctachys pubescens Forest in Hunan显示文摘To accurately calculate carbon fixation capacity of P.pubescens forest in Hunan Province and promote the balanced and stable development of P.pubescens forestry in Hunan Province,standard sample plot was set in major producing area of P.pubescens in Hunan Province,and biomass of 258 P.pubescens was measured according to DBH and age class.Multivariate regression method was used to establish univariate (DBH as independent variable) and bivariate (DBH and age class as independent variables) models of total aboveground biomass and organ biomass of P.pubescens .Model evaluation and test showed that each model accorded with the applicable precision and had the appropriate prediction level. | Zeng Zhangquan Wang Ying Li Minghong Tang Hong Zhang Canming Yang Rui Zeng Xiahui | 2019 | Meteorological and Environmental Research2019，10，3： | 0 |
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