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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 21, Iss. 2 — Feb. 1, 2003
  • pp: 319–

A DWDM/SCM Self-Healing Architecture for Broad-Band Subscriber Networks

Wen-Piao Lin, Ming-Seng Kao, and Sien Chi

Journal of Lightwave Technology, Vol. 21, Issue 2, pp. 319- (2003)


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Abstract

A high-capacity dense wavelength-division multiplexing/subcarrier multiplexing (DWDM/SCM) network based on a self-healing star-bus-ring architecture (SBRA) is proposed and demonstrated. This architecture has a star subnet on the upper level to be a high-capacity infrastructure for the network, several bus subnets on the middle level to offer broad-band channels for multiwavelength signals, and many ring subnets on the lower level to serve a number of nodes. We design remote nodes and bidirectional wavelength add-drop multiplexers (WADMs) by using simple optical switches to reconfigure the network under link failure. We further employ M-quadrature amplitude modulation (M-QAM) and frequency shift-keyed (FSK) signals for downstream and upstream channels, respectively. The SBRA ensures an optical-beat-interference-free (OBI-free) and high-reliability optical network. Finally, we set up an experimental network to demonstrate the feasibility of the proposed architecture.

[IEEE ]

Citation
Wen-Piao Lin, Ming-Seng Kao, and Sien Chi, "A DWDM/SCM Self-Healing Architecture for Broad-Band Subscriber Networks," J. Lightwave Technol. 21, 319- (2003)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-21-2-319

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