Demonstration of an eight-user 115-Gchip/s incoherent OCDMA system using supercontinuum generation and optical time gating

Camille Sophie Brès, Ivan Glesk, Paul R. Prucnal

Research output: Contribution to journalArticle

37 Scopus citations

Abstract

A system demonstration of an eight-user optical code-division multiple-access (OCDMA) star network, operating at 115 Gchip/s, with a single user bit rate of 5 Gb/s is presented. Error-free transmission is obtained (10-13 bit-error rate or better). Our two-dimensional time-wavelength incoherent OCDMA encoding is based on supercontinuum generation and spectral slicing; quadratic-congruence prime codes are generated using off-the-shelf components. Integrated ultrafast delay lines based on spiral waveguides enable rapid selectivity at the decoder. The need for optical time gating at high data rate to remove multiple-access interference at the receiver is also investigated.

Original languageEnglish (US)
Pages (from-to)889-891
Number of pages3
JournalIEEE Photonics Technology Letters
Volume18
Issue number7
DOIs
StatePublished - Apr 1 2006

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

Keywords

  • Fiber-optic communications
  • Optical codedivision multiple-access (OCDMA)
  • Supercontinuum (SC)
  • Time gating

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