Journal
PHYSICAL REVIEW LETTERS
Volume 122, Issue 2, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.122.023901
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Funding
- National Science Foundation [ECCS1505636]
- National Institute of Health [1R21EY026410-01]
- AFOSR-BRI [FA9550-14-1-0165]
- ONR [N00014-17-1-2519]
- Danish Council for Independent Research
- FP7 Marie Curie Actions-COFUND [DFF-1337-00150]
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We show numerically that under certain conditions noise-induced soliton self-mode conversion dominates over soliton self-frequency shift for a soliton in a high order spatial mode of a multimode optical fiber. The input soliton has to be group index matched to a lower order mode for a frequency separation for which the Raman gain is non-negligible, and this condition determines the wavelength of the pulse growing from noise. The phenomenon has no known analogs in single-mode or graded-index fibers. The results demonstrate that it is possible for a noise-induced physical process to dominate over a seeded one even for noise levels at the fundamental limit.
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