期刊
PHYSICAL REVIEW A
卷 97, 期 4, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.97.043836
关键词
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资金
- Horiba Medical within the Dat@diag project
- BPI France within the Dat@diag project
- iXcore research foundation
- French National Research Agency ANR Labex ACTION
- French program Investissement d'Avenir [ISITE-BFC-299 (ANR-15-IDEX-0003)]
- European Research Council (ERC) under the European Union's Horizon research and innovation programme [740355]
- European Union's Horizon research and innovation programme under the Marie Sklodowska-Curie Grant [713694]
We experimentally demonstrate simultaneous spatial and temporal compression in the propagation of light pulses in multimode nonlinear optical fibers. We reveal that the spatial beam self-cleaning recently discovered in graded-index multimode fibers is accompanied by significant temporal reshaping and up to fourfold shortening of the injected subnanosecond laser pulses. Since the nonlinear coupling among the modes strongly depends on the instantaneous power, we explore the entire range of the nonlinear dynamics with a single optical pulse, where the optical power is continuously varied across the pulse profile.
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