Single-mode spatiotemporal soliton attractor in multimode GRIN fibers

M. Zitelli, M. Ferraro, F. Mangini, S. Wabnitz

Research output: Contribution to journalArticlepeer-review

Abstract

Experimental and numerical studies of spatiotemporal femtosecond soliton propagation over up to 1 km spans of parabolic graded-index fibers reveal that initial multimode soliton pulses naturally and irreversibly evolve into a single-mode soliton. This is carried by the fundamental mode of the fiber, which acts as a dynamical attractor of the multimode system for up to the record value (for multimode fibers) of 5600 chromatic dispersion distances. This experimental evidence invalidates the use of variational approaches, which intrinsically require that the initial multimode propagation of a self-imaging soliton is indefinitely maintained.

Original languageEnglish
Pages (from-to)741-748
Number of pages8
JournalPhotonics Research
Volume9
Issue number5
DOIs
Publication statusPublished - 1 May 2021

OECD FOS+WOS

  • 2.05 MATERIALS ENGINEERING
  • 1.03 PHYSICAL SCIENCES AND ASTRONOMY

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