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Optical Engineering

Exploring crosstalk noise generated in the N-port router used in the WDM-based ONoC
Author(s): Zhendong Zhang; Yiyuan Xie; Tingting Song; Chao He; Jiachao Li; Yong Liu
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Paper Abstract

Compared with optical network-on-chip (ONoC) with single wavelength, ONoC adopting wavelength division multiplexing (WDM) technology possesses a very prominent advantage—higher bandwidth. Therefore, WDM-based ONoC has been considered one of the most promising ways to relieve the rapidly increasing traffic load in communication systems. A WDM-based router, as the core equipment of WDM-based ONoC, is influenced by crosstalk noise, especially the nonlinear crosstalk noise generated by the four-wave mixing effect. Thus, to explore the performance of the N-port nonblocking optical router using WDM, we propose a universal analytic model to analyze the transmission loss, crosstalk noise, optical signal-to-noise ratio (OSNR), and bit error ratio (BER). The research results show that crosstalk noise varies along with signals at different wavelengths in the same channel. For signals with the same wavelength, the noises generated in the different transmission paths are obviously different from each other. For research of transmission loss, OSNR, and BER, similar results can be obtained. Based on the eye diagrams, we can learn that crosstalk noise will cause signal distortion to a certain extent. With this model, capability of this kind of multiport optical router using WDM can be understood conveniently.

Paper Details

Date Published: 25 July 2017
PDF: 10 pages
Opt. Eng. 56(7) 076112 doi: 10.1117/1.OE.56.7.076112
Published in: Optical Engineering Volume 56, Issue 7
Show Author Affiliations
Zhendong Zhang, Southwest Univ. (China)
Yiyuan Xie, Southwest Univ. (China)
Univ. of Electronic Science and Technology of Chengdu (China)
Tingting Song, Southwest Univ. (China)
Chao He, Southwest Univ. (China)
Jiachao Li, Southwest Univ. (China)
Yong Liu, Univ. of Electronic Science and Technology of China (China)

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