Upstream transmission of WDM/OCDM-PON in a loop-back configuration with remotely supplied short optical pulses

Yong-Kyu Choi*, Masanori Hanawa, Xu Wang, Chang-Soo Park

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

We propose and experimentally demonstrate upstream transmission in a wavelength division multiplexing/optical code division multiplexing (WDM/OCDM) passive optical network (PON) without using any high-cost devices such as mode-locked lasers or LiNbO3 external modulators. To make optical network units (ONUs) simple, a loop-back transmission of short optical pulses for OCDM in upstream transmission was investigated. The quality of the short optical pulses, remotely supplied via 23 km of single-mode fiber (SMF), was sufficient for 4-chipOCDMencoding at the ONUs. 2WDM/4OCDM signals, generated by multiplexing four OCDM signals using the same wavelength as well as another signal with a different wavelength, showed error-free transmission (bit error rate [BER]

Original languageEnglish
Pages (from-to)183-189
Number of pages7
JournalIEEE/OSA Journal of Optical Communications and Networking
Volume5
Issue number3
DOIs
Publication statusPublished - 1 Mar 2013

Keywords

  • Optical code division multiplexing (OCDM)
  • Passive optical network (PON)
  • Reflective semiconductor optical amplifier (RSOA)
  • Short optical pulse source
  • Wavelength division multiplexing (WDM)
  • OCDMA
  • SYSTEM
  • NETWORKS
  • CODE
  • WDM

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