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APPLIED OPTICS. Overcoming Kerr-induced capacity limit in optical fiber transmission.

Authors
  • Temprana, E
  • Myslivets, E
  • Kuo, B P-P
  • Liu, L
  • Ataie, V
  • Alic, N
  • Radic, S
Type
Published Article
Journal
Science
Publisher
American Association for the Advancement of Science (AAAS)
Publication Date
Jun 26, 2015
Volume
348
Issue
6242
Pages
1445–1448
Identifiers
DOI: 10.1126/science.aab1781
PMID: 26113716
Source
Medline
License
Unknown

Abstract

Nonlinear optical response of silica imposes a fundamental limit on the information transfer capacity in optical fibers. Communication beyond this limit requires higher signal power and suppression of nonlinear distortions to prevent irreversible information loss. The nonlinear interaction in silica is a deterministic phenomenon that can, in principle, be completely reversed. However, attempts to remove the effects of nonlinear propagation have led to only modest improvements, and the precise physical mechanism preventing nonlinear cancellation remains unknown. We demonstrate that optical carrier stability plays a critical role in canceling Kerr-induced distortions and that nonlinear wave interaction in silica can be substantially reverted if optical carriers possess a sufficient degree of mutual coherence. These measurements indicate that fiber information capacity can be notably increased over previous estimates.

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