A holey fiber-based nonlinear thresholding device for optical CDMA receiver performance enhancement

  • J. H. Lee
  • , P. C. Teh
  • , Z. Yusoff
  • , M. Ibsen
  • , W. Belardi
  • , T. M. Monro
  • , D. J. Richardson

Research output: Contribution to journalArticlepeer-review

101 Scopus citations

Abstract

In this letter, we demonstrate the use of an optical thresholder-based on a short length of holey fiber to achieve enhanced code recognition quality in a 255-chip 320-Gchip/s superstructured fiber Bragg grating-based optical code-division multiple access code: decode system. The nonlinear thresholder is based on bandpass filtering of spectrally broadened components generated by self-phase modulation and assisted by the Raman effect in an 8.7 m length of highly nonlinear holey fiber. Error free penalty free system performance is obtained with complete recovery of the original input pulse shape.

Original languageEnglish
Pages (from-to)876-878
Number of pages3
JournalIEEE Photonics Technology Letters
Volume14
Issue number6
DOIs
StatePublished - Jun 2002

Keywords

  • Gratings
  • Optical code-division multiaccess
  • Optical fiber communication
  • Optical fiber devices
  • Optical signal processing
  • Optical switching

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