Results 231 to 240 of about 7,813 (265)

Spatiotemporal evolution of the thermal environment and influencing factors in Kashgar City's Urban Expansion. [PDF]

PLoS One
Yan J, Wu W, Du C, Zhang X, Sheng X.
europepmc   +1 more source

Massively parallel Hong-Ou-Mandel interference based on independent soliton microcombs. [PDF]

Sci Adv
Huang L, Wang W, Wang F, Wang Y, Zou C, Tang L, Little BE, Zhao W, Han Z, Yang J, Wang G, Chen W, Zhang W.   +12 more
europepmc   +1 more source

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Self-starting spatiotemporal mode-locking using Mamyshev regenerators

Optics Letters, 2022
Bridging multi-mode fibers and Mamyshev regenerators holds promise for pulse energy scaling in fiber lasers. However, initialization of a multi-mode Mamyshev oscillator remains a practical challenge. Here we report self-starting spatiotemporal mode-locking (STML) in a multi-mode Mamyshev oscillator without active assistance.
Xiaosheng Xiao, Changxi Yang, Chengying Bao   +2 more
exaly   +3 more sources

Spatiotemporal mode-locking: what it is, and different types

Advanced Photonics 2018 (BGPP, IPR, NP, NOMA, Sensors, Networks, SPPCom, SOF), 2018
We describe, in general terms, what spatiotemporal mode-locking is and how it happens. Then we describe several recent new developments, including qualitatively distinct kinds of 3D pulses and mode-locking physics.
Logan G Wright, Demetrios N Christodoulides, Frank W Wise   +2 more
exaly   +3 more sources

Dissecting the Mechanisms of Spatiotemporal Mode-Locking

OSA Advanced Photonics Congress (AP) 2020 (IPR, NP, NOMA, Networks, PVLED, PSC, SPPCom, SOF), 2020
We uncover the mechanisms behind a range of new 3D solitons in multimode lasers using an approach called attractor dissection. Experimental measurements allow us to decompose multimode states containing up to 30 million locked modes.
Wright, Logan G., Sidorenko, Pavel, Pourbeyram, Hamed, Ziegler, Zachary M., Isichenko, Andrei, Malomed, Boris A., Menyuk, Curtis, Christodoulides, Demetrios N., Wise, Frank W.   +8 more
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Period-doubling in spatiotemporal mode-locked lasers

Asia Communications and Photonics Conference/International Conference on Information Photonics and Optical Communications 2020 (ACP/IPOC), 2020
We report on the experimental observation and numerical simulation of the nonlinear dynamic of period-doubling in spatiotemporal mode-locked lasers composed of full-multimode fibers. It is found that the dynamics of different transverse modes are different.
Shuzheng Fan, Xiaosheng Xiao, Xiaoguang Zhang   +2 more
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Periodic intensity fluctuations in spatiotemporal mode-locked lasers

Sixteenth National Conference on Laser Technology and Optoelectronics, 2021
We report the periodic intensity fluctuations and period-timing bifurcation in a spatiotemporal mode-locked multimode fiber laser. By adjusting the intracavity waveplate or the pump power, the intensity pattern of the spatiotemporal modelocked output could transit from uniformity to period-2, then to period-4.
Yihang Ding, Xiaosheng Xiao, Shuzheng Fan, Changxi Yang   +3 more
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Spatiotemporal dynamics in spatiotemporal mode-locked multimode fiber lasers

2018 Asia Communications and Photonics Conference (ACP), 2018
For the first time, as far as we know, spatiotemporal dynamics are experimentally observed in spatiotemporal mode-locked multimode fiber lasers. A simple theoretical model is proposed, by which the observed spatiotemporal dynamics are explained.
Xiaosheng Xiao, Yihang Ding, Changxi Yang   +2 more
openaire   +1 more source