Bi-directional transmission experiments using injection-locked FP-LD transmitters for WDM-PON

N. Kashima

Research output: Contribution to journalArticlepeer-review


This paper describes bi-directional transmission experiments, 10 Gbit/s downstream and 2.5 Gbit/s upstream, using 10 km single-mode fibers (SMF) for wavelength division multiplex passive optical network (WDM-PON) applications. An optical transmitter at an optical network unit (ONU) uses a Fabry-Perot laser diode (FP-LD) injection-locked by intensity modulated downstream signal light. An extinction ratio (Ex) of downstream signal light is very important for both sending and receiving properties and the Ex influences the bit error rate (BER) property. There is a trade-off of power penalties for receiving up- and downstream signals and we confirmed it experimentally for the first time. We also discuss an optical amplification for an injection locking.

Original languageEnglish
Pages (from-to)2-6
Number of pages5
JournalJournal of Optical Communications
Issue number1
Publication statusPublished - 2010

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering


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