Multipassive-star-coupler hub for metro WDM networks

被引：2
|
作者：
Leung, Yiu-Wing [1 ]
机构：
[1] Hong Kong Baptist Univ, Dept Comp Sci, Kowloon, Hong Kong, Peoples R China
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2006年 / 18卷 / 13-16期
关键词：
arrayed waveguide grating (AWG); metro network; passive star coupler (PSC); wavelength-division multiplexing (WDM);
D O I：
10.1109/LPT.2006.879518
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We consider a metro wavelength-division-multiplexing network in which a hub connects the local networks to the backbone network. In many recent studies, the hub is made up of an arrayed waveguide grating (AWG). In this letter, we use multiple passive star couplers (PSCs) to construct the hub and allocate wavelength channels to its input-output pairs based on the traffic requirements. The resulting hub, called the multipassive-star-coupler hub or multi-PSC hub, can provide the same communication functions as AWG hubs and two additional functions: 1) it can efficiently transport nonuniform metro traffic via nonuniform channel allocation within the hub and 2) it can easily be scaled up by adding more PSCs for handling the ever-increasing traffic load.
引用
收藏
页码：1621 / 1623
页数：3
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