Fiber-fault protection WDM-PON using new apparatus in optical networking unit

C. H. Yeh*, Chi-Wai Chow, F. Y. Shih, Y. F. Wu, J. Y. Sung

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

11 Scopus citations


In this study, we propose and experimentally demonstrate a simple self-protection architecture for WDM passive optical network (PON) by adding a novel 2 × 2 optical switch design in each optical networking unit (ONU). Two adjacent ONUs are interconnected into a group. By using the proposed protection architecture, the affected traffic can be restored immediately against fiber fault in the feeder and distributed fibers. Moreover, the performance of proposed self-protection WDM-PON is also discussed and analyzed.

Original languageEnglish
Pages (from-to)1803-1806
Number of pages4
JournalOptics Communications
Issue number7
StatePublished - 1 Apr 2012


  • Fiber fault
  • Passive Optical Network (PON)
  • Self-protection
  • WDM

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