期刊
PHYSICAL REVIEW LETTERS
卷 117, 期 5, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.117.053901
关键词
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资金
- U.S. National Science Foundation [ECCS-1509361, DMR-1205307]
- Austrian Science Fund (FWF) [F49-P10, I1142]
- Austrian Science Fund (FWF) [I 1142] Funding Source: researchfish
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [1205307] Funding Source: National Science Foundation
- Directorate For Engineering
- Div Of Electrical, Commun & Cyber Sys [1509361] Funding Source: National Science Foundation
- Austrian Science Fund (FWF) [I1142] Funding Source: Austrian Science Fund (FWF)
We experimentally generate and characterize eigenstates of the Wigner-Smith time-delay matrix, called principal modes, in a multimode fiber with strong mode coupling. The unique spectral and temporal properties of principal modes enable global control of temporal dynamics of optical pulses transmitted through the fiber, despite random mode mixing. Our analysis reveals that well-defined delay times of the eigenstates are formed by multipath interference, which can be effectively manipulated by spatial degrees of freedom of input wave fronts. This study is essential to controlling dynamics of wave scattering, paving the way for coherent control of pulse propagation through complex media.
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