Flexible hybrid WDM/TDM PON architectures using wavelength selective switches

被引：14
|
作者：
Das, Goutam [1 ]
Lannoo, Bart [1 ]
Dixit, Abhishek [1 ]
Colle, Didier [1 ]
Pickavet, Mario [1 ]
Demeester, Piet [1 ]
机构：
[1] Univ Ghent, IBBT, B-9050 Ghent, Belgium
来源：
OPTICAL SWITCHING AND NETWORKING | 2012年 / 9卷 / 02期
关键词：
Optical access; PON architectures; Hybrid WDM/TDM; Flexibility; Dynamic bandwidth allocation; BANDWIDTH ALLOCATION; GENERATION; EPONS; AWG;
D O I：
10.1016/j.osn.2011.11.005
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
For building an optical access network, we propose some new hybrid WDM/TDM passive optical network (PON) architectures that use wavelength selective switches (WSSs) at the remote node to improve flexibility, data security and power budget. Through simulations we demonstrate that the switching capabilities of a WSS can provide additional gains in terms of wavelength usage by a better statistical multiplexing. Several WSS-based hybrid WDM/TDM PON variants are proposed and assessed. These architectures are also compared with the more commonly used hybrid WDM/TDM PONs consisting of power splitters and/or arrayed wavelength gratings (AWGs), in terms of cost and power budget. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：156 / 169
页数：14
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