Spectral-linewidth broadening in synchronous Raman fiber amplification caused by cross-phase modulation effects and its suppression

Toshiya Sato, Tsuneo Horiguchi, Mitsuhiro Tateda, Yahei Koyamada, Hisashi Izumita

Research output: Contribution to journalArticle

Abstract

When coherent light is amplified by a synchronous Raman fiber amplifier pumped by output pulses from a high-power erbium-doped fiber amplifier operating in an unsaturated gain regime, the detection efficiency with the heterodyne method is degraded. This degradation is caused mainly by cross-phase modulation effects. It is confirmed that using power-flattened pump pulses can suppress these effects.

Original languageEnglish
Pages (from-to)880-882
Number of pages3
JournalOptics Letters
Volume22
Issue number12
DOIs
Publication statusPublished - 1997 Jun 15

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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