A novel tangent-ring TWDM metro-access optical network featuring reconfiguration and reliability

作者：Gou, Kaiyu; Gan, Chaoqin^*; Zhang, Yuchao; Hua, Jian

来源：Optical Switching and Networking, 2018, 29: 27-38.

DOI：10.1016/j.osn.2018.03.002

• Optical metro-access network
• Reconfiguration
• ONU communication
• Reliability
• Time and wavelength division multiplexing (TWDM)
• Extendibility

In this paper, we propose a novel tangent-ring TWDM metro-access network providing flexible reconfiguration and high reliability. With the innovate design of flexible distribution node (FDN) and distributed control mechanism (DCM), three kinds of reconfigurable TWDM-PONs can be built to achieve efficient intra and inter ONU direct communication by reusing optical distribution network (ODN). In addition, three-level protections covering both feeder and distribution fibers are also separately supported by the use of optical switches and natural advantage of single-fiber tangent ring topology. Moreover, with the use of simplified RN* and ONU*, the proposed network can upgrade smoothly and achieve pay-as-you grow. The network capacity, OSNR, cost and transmission performances are also studied, which suggests that this network has a good performance.

• 出版日期2018-7
• 单位上海大学