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Journal of Optical Communications and Networking

Journal of Optical Communications and Networking

  • Editor: Keren Bergman
  • Vol. 7, Iss. 3 — Mar. 1, 2008
  • pp: 227–233

Evolution from TDM-PON to WDM-overlaid PON employing a wavelength-conversion node

Youngil Park, Jae-Myoung Hyun, and Byoung-whi Kim  »View Author Affiliations

Journal of Optical Networking, Vol. 7, Issue 3, pp. 227-233 (2008)

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A cost-effective and smooth evolution scheme from a time-division multiplexing-passive optical network (TDM-PON) to a WDM-overlaid PON that can provide high-speed fiber-to-the-home service to a wide area with a high population density is proposed. Existing optical transmitters of TDM-PON optical network units (ONUs) are reusable by employing a wavelength-conversion node at the ONU site, which transforms the wavelength of each ONU to a predefined WDM wavelength. A specially designed optical router is needed at a remote node site; it should broadcast downstream signals to each ONU, routing upstream ONU signals to a wavelength-conversion node and passing the wavelength-converted signal to an optical line terminal. A simple but efficient remote node structure is proposed. A wavelength conversion node should be designed carefully since it repeats burst-mode signals from multiple ONUs. A 2R repeater-based wavelength conversion node is suggested. Performance of various schemes is analyzed and their measurement results are provided.

© 2008 Optical Society of America

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.4250) Fiber optics and optical communications : Networks

ToC Category:

Original Manuscript: October 29, 2007
Revised Manuscript: January 15, 2008
Manuscript Accepted: January 18, 2008
Published: February 29, 2008

Youngil Park, Jae-Myoung Hyun, and Byoung-whi Kim, "Evolution from TDM-PON to WDM-overlaid PON employing a wavelength-conversion node," J. Opt. Netw. 7, 227-233 (2008)

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