Results 111 to 120 of about 2,428,008 (144)

Synchronizing degradation with regeneration: a model-driven framework for designing biodegradable biomaterials in bone tissue engineering. [PDF]

J Mater Sci Mater Med
Zarghami V.
europepmc   +1 more source

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, Frank W Wise, Demetrios N. Christodoulides   +2 more
exaly   +4 more sources

Spatiotemporal Mode-Locking

Conference on Lasers and Electro-Optics, 2018
We describe, through multiple theoretical and experimental realizations, spatiotemporal mode-locking (STML), the most general form of self-organization in optical oscillators. We discuss qualitatively new kinds of mode-locking, and routes to ultrahigh power, compact lasers.
Wright, Logan G., Christodoulides, Demetrios N., Wise, Frank W.   +2 more
openaire   +3 more sources

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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

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
openaire   +1 more source

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
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Multimode nonlinear dynamics in spatiotemporal mode-locked anomalous-dispersion lasers

Optics Letters, 2022
Spatiotemporal mode-locking in a laser with anomalous dispersion is investigated. Mode-locked states with varying modal content can be observed, but we find it difficult to observe highly-multimode states. We describe the properties of these mode-locked states and compare them to the results of numerical simulations.
Yuhang Wu, Demetrios N. Christodoulides, Frank W. Wise   +2 more
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Narrow bandwidth spatiotemporal mode-locked Yb-doped fiber laser

Optics Letters, 2022
We report a narrow bandwidth spatiotemporal mode-locked (STML) ytterbium-doped fiber laser, based on a homemade carbon nanotube/polyvinyl alcohol composite film and the multimode interference filtering effect. The wavelength-tunable narrow bandwidth STML operations combined with different pulse states are achieved, including single pulse, multiple ...
Tian-Xu Zhao, Guang-Xin Liu, Li-long Dai, Bang Zhao, Hu Cui, Cheng-Bo Mou, Zhi-Chao Luo, Wen-Cheng Xu, Ai-Ping Luo   +8 more
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