Mode-multiplexed transmission over conventional graded-index multimode fibers

被引：87

作者：

Ryf, R. ^{[1
]}

Fontaine, N. K. ^{[1
]}

Chen, H. ^{[1
,2
]}

Guan, B. ^{[1
,3
]}

Huang, B. ^{[1
]}

Esmaeelpour, M. ^{[1
]}

Gnauck, A. H. ^{[1
]}

Randel, S. ^{[1
]}

Yoo, S. J. B. ^{[3
]}

Koonen, A. M. J. ^{[2
]}

Shubochkin, R. ^{[4
]}

Sun, Y. ^{[4
]}

Lingle, R., Jr. ^{[4
]}

机构：

[1] Alcatel Lucent, Bell Labs, Holmdel, NJ 07733 USA

[2] Eindhoven Univ Technol, COBRA Inst, NL-5600 MB Eindhoven, Netherlands

[3] Univ Calif Davis, Dept Elect & Comp Engn, Davis, CA 95616 USA

[4] OFS, Norcross, GA 30071 USA

来源：

OPTICS EXPRESS | 2015年 / 23卷 / 01期

关键词：

Group delay;

D O I：

10.1364/OE.23.000235

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present experimental results for combined mode-multiplexed and wavelength multiplexed transmission over conventional graded-index multimode fibers. We use mode-selective photonic lanterns as mode couplers to precisely excite a subset of the modes of the multimode fiber and additionally to compensate for the differential group delay between the excited modes. Spatial mode filters are added to suppress undesired higher order modes. We transmit 30-Gbaud QPSK signals over 60 WDM channels, 3 spatial modes, and 2 polarizations, reaching a distance of 310 km based on a 44.3 km long span. We also report about transmission experiments over 6 spatial modes for a 17-km single-span experiment. The results indicate that multimode fibers support scalable mode-division multiplexing approaches, where modes can be added over time if desired. Also the results indicate that mode-multiplexed transmission distance over 300 km are possible in conventional multimode fibers. (C) 2015 Optical Society of America

引用

页码：235 / 246

页数：12

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