Demonstration of flexible and reconfigurable WDM multicast scheme supporting downstream emergency multicast communication for WDM optical access network

Ze Li; Min Zhang; Danshi Wang; Yue Cui

doi:10.1117/1.OE.56.9.096106

16 September 2017 Demonstration of flexible and reconfigurable WDM multicast scheme supporting downstream emergency multicast communication for WDM optical access network

Ze Li, Min Zhang, Danshi Wang, Yue Cui

Author Affiliations +

Funded by: NSFC, Natural Science Foundation of China

Optical Engineering, Vol. 56, Issue 9, 096106 (September 2017). https://doi.org/10.1117/1.OE.56.9.096106

Abstract

We propose a flexible and reconfigurable wavelength-division multiplexing (WDM) multicast scheme supporting downstream emergency multicast communication for WDM optical access network (WDM-OAN) via a multicast module (MM) based on four-wave mixing (FWM) in a semiconductor optical amplifier. It serves as an emergency measure to dispose of the burst, large bandwidth, and real-time multicast service with fast service provisioning and high resource efficiency. It also plays the role of physical backup in cases of big data migration or network disaster caused by invalid lasers or modulator failures. It provides convenient and reliable multicast service and emergency protection for WDM-OAN without modifying WDM-OAN structure. The strategies of an MM setting at the optical line terminal and remote node are discussed to apply this scheme to passive optical networks and active optical networks, respectively. Utilizing the proposed scheme, we demonstrate a proof-of-concept experiment in which one-to-six/eight 10-Gbps nonreturn-to-zero-differential phase-shift keying WDM multicasts in both strategies are successfully transmitted over single-mode fiber of 20.2 km. One-to-many reconfigurable WDM multicasts dealing with higher data rate and other modulation formats of multicast service are possible through the proposed scheme. It can be applied to different WDM access technologies, e.g., time-wavelength-division multiplexing-OAN and coherent WDM-OAN, and upgraded smoothly.

Citation Download Citation

Ze Li, Min Zhang, Danshi Wang, and Yue Cui "Demonstration of flexible and reconfigurable WDM multicast scheme supporting downstream emergency multicast communication for WDM optical access network," Optical Engineering 56(9), 096106 (16 September 2017). https://doi.org/10.1117/1.OE.56.9.096106

Received: 27 March 2017; Accepted: 29 August 2017; Published: 16 September 2017

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