Four-wave-mixing-based wavelength conversion of 40-Gb/s nonreturn-to-zero signal using 40-cm Bismuth oxide nonlinear optical fiber

Ju Han Lee, Tatsuo Nagashima, Tomoharu Hasegawa, Seiki Ohara, Naoki Sugimoto, Kazuro Kikuchi

Research output: Contribution to journalArticlepeer-review

45 Scopus citations

Abstract

We experimentally demonstrate a compact and tunable four-wave-mixing-based wavelength converter using a Bi2O3-based nonlinear fiber (Bi-NLF). An only 40-cm-long Bi-NLF is used as a nonlinear optical medium for wavelength conversion of a 40-Gb/s nonreturn-to-zero (NRZ) signal with no additional stimulated Brillouin scattering (SBS) suppression scheme. The Bi-NLF used in this experiment has an extremely high SBS threshold owing to both its short length and relatively low Brillouin gain. The 40-cm Bi-NLF is fusion-spliced to standard single-mode fibers and its nonlinearity is measured to be ∼1100 W-1 · km-1. Error-free wavelength conversion over a 10-nm bandwidth at a 40-Gb/s NRZ data rate is readily achieved with a pure continuous-wave pump.

Original languageEnglish
Pages (from-to)1474-1476
Number of pages3
JournalIEEE Photonics Technology Letters
Volume17
Issue number7
DOIs
StatePublished - Jul 2005

Keywords

  • Nonlinear optics
  • Optical communication
  • Optical fiber devices
  • Optical signal processing

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