Benefits and Requirements of Flexible-Grid ROADMs and Networks

被引：25
|
作者：
Woodward, Sheryl L. [1 ]
Feuer, Mark D. [1 ]
机构：
[1] AT&T Labs Res, Middletown, NJ 07748 USA
来源：
JOURNAL OF OPTICAL COMMUNICATIONS AND NETWORKING | 2013年 / 5卷 / 10期
关键词：
Flexible grid; Networks; Optics and optical communications; ROADMs; DEFRAGMENTATION; TRANSMISSION; ALLOCATION;
D O I：
10.1364/JOCN.5.000A19
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
Due to claims of enhanced spectral efficiency and the ability to accommodate future modulation formats, flexible-grid networks in which the center wavelength and passband width of the optical channels can be set on the fly have attracted wide attention. A flexible-grid reconfigurable optical add/drop multiplexer (ROADM) requires more than a flexible-grid wavelength-selective switch, and a flexible-grid network requires far more than flexible-grid ROADMs. We discuss the technologies required to enable flexible-grid networks. We examine the potential benefits of using flexible-grid ROADMs and compare this approach with alternative strategies.
引用
收藏
页码：A19 / A27
页数：9
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