期刊
PHYSICAL REVIEW LETTERS
卷 109, 期 24, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.109.243902
关键词
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资金
- European Research Council under European Community [201766]
- Italian Ministry of Research (MIUR) through PRIN Project [2009P3K72Z]
- Italian Ministry of Education, University and Research under Basic Research Investigation Fund (FIRB) Program/CINECA [RBFR08M3P4, RBFR08E7VA]
We experimentally investigate the interplay between spatial shock waves and the degree of disorder during nonlinear optical propagation in a thermal defocusing medium. We characterize the way the shock point is affected by the amount of disorder and scales with wave amplitude. Evidence for the existence of a phase diagram in terms of nonlinearity and amount of randomness is reported. The results are in quantitative agreement with a theoretical approach based on the hydrodynamic approximation.
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