Architectures for WDM Benes Interconnection Network with Simultaneous Space-Wavelength Switching Capability

被引:3
|
作者
Hamza, Haitham S. [1 ]
Deogun, Jitender S. [1 ]
机构
[1] Univ Nebraska, Dept Comp Sci & Engn, Lincoln, NE 68588 USA
来源
2ND INTERNATIONAL CONFERENCE ON BROADBAND NETWORKS (BROADNETS 2005) | 2005年
关键词
D O I
10.1109/ICBN.2005.1589615
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
In this paper, we present three switch architectures for WDM (Wavelength Division Multiplexing) Benes network that are based on Wavelength Exchange Optical Crossbar (WOC). A WOC is capable of performing a single-step space-switching wavelength-conversion between two wavelengths. A WOC can be implemented by the simultaneous power exchange between two optical signals. Unlike existing designs, the proposed architectures do not require separate stages of wavelength converters. This leads to a switch design that has a smaller total number of components as well as a smaller number of components in the signal path. Moreover, wavelength conversion is performed between two predefined and fixed wavelengths. This avoids the need for expensive full-range wavelength converters used in most of the existing designs. Systematic methods to realize switch architectures with an arbitrary number of wavelengths and fibers are given. The three architectures are evaluated and compared to existing architectures on the basis of hardware cost.
引用
收藏
页码:209 / +
页数:10
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