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Optical Engineering

Theoretical and simulation analysis of a novel multiple-input multiple-output scheme over multimode fiber links with dual restricted launch techniques
Author(s): Yuanquan Wang; Nan Chi; Rongling Li; Wuliang Fang; Junwen Zhang; Li Tao; Yufeng Shao
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Paper Abstract

Different launching methods over multimode fiber (MMF) are reviewed and compared under various aspects such as coupling coefficient, mode power distribution, and bit error rate performance. Among these, center launch and ring launch are elaborated and chosen as the inputs of multiple-input multiple-output (MIMO) scheme for center launch exciting limited lower-order modes while ring launch exciting limited higher ones. Furthermore, we discuss the theoretical background and give a new wide-band MMF MIMO mathematical model. This paper also proposes a novel MMF MIMO system combining the dual restricted launches together with multi-segments receiving. The simulated results indicate that an aggregate data rate of 20 Gb/s over 800-m graded index-multimode fiber can be achieved by using this newly established MIMO scheme.

Paper Details

Date Published: 5 June 2012
PDF: 12 pages
Opt. Eng. 51(6) 065002 doi: 10.1117/1.OE.51.6.065002
Published in: Optical Engineering Volume 51, Issue 6
Show Author Affiliations
Yuanquan Wang, Shanghai Institute of Microsystem and Information Technology (China)
Nan Chi, Shanghai Institute of Microsystem and Information Technology (China)
Rongling Li, Fudan Univ. (China)
Wuliang Fang, Fudan Univ. (China)
Junwen Zhang, Fudan Univ. (China)
Li Tao, Fudan Univ. (China)
Yufeng Shao, Fudan Univ. (China)

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