Long-Haul Dense Space-Division Multiplexed Transmission Over Low-Crosstalk Heterogeneous 32-Core Transmission Line Using a Partial Recirculating Loop System

被引：45

作者：

Mizuno, Takayuki ^{[1
]}

Shibahara, Kohki ^{[1
]}

Ye, Feihong ^{[2
]}

Sasaki, Yusuke ^{[3
]}

Amma, Yoshimichi ^{[3
]}

Takenaga, Katsuhiro ^{[3
]}

Jung, Yongmin ^{[4
]}

Pulverer, Klaus ^{[5
]}

Ono, Hirotaka ^{[6
]}

Abe, Yoshiteru ^{[6
]}

Yamada, Makoto ^{[7
]}

Saitoh, Kunimasa ^{[8
]}

Matsuo, Shoichiro ^{[3
]}

Aikawa, Kazuhiko ^{[3
]}

Bohn, Marc ^{[5
]}

Richardson, David J. ^{[4
]}

Miyamoto, Yutaka ^{[1
]}

Morioka, Toshio ^{[2
]}

机构：

[1] NTT Corp, NTT Network Innovat Labs, Yokosuka, Kanagawa 2390847, Japan

[2] Tech Univ Denmark, DTU Foton, DK-2800 Lyngby, Denmark

[3] Fujikura Ltd, Sakura 2858550, Japan

[4] Univ Southampton, Optoelect Res Ctr, Southampton SO17 1BJ, Hants, England

[5] Coriant R&D GmbH, D-81541 Munich, Germany

[6] NTT Corp, NTT Device Technol Labs, Atsugi, Kanagawa 2430198, Japan

[7] Osaka Prefecture Univ, Osaka 5998531, Japan

[8] Hokkaido Univ, Grad Sch Informat Sci & Technol, Sapporo, Hokkaido 0600814, Japan

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 2017年 / 35卷 / 03期

基金：

欧盟地平线“2020”;

关键词：

Coherent communications; crosstalk; long-haul transmission; multicore fiber (MCF); optical communication systems; optical fibers; optical fiber communication; space division multiplexing (SDM); spectral efficiency; wavelength division multiplexing (WDM); MULTICORE FIBER;

D O I：

10.1109/JLT.2016.2615070

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper, we present long-haul 32-core dense space-division-multiplexed (DSDM) unidirectional transmission over a single-mode multicore transmission line. We developed a low-crosstalk heterogeneous 32-core fiber with a square lattice arrangement, and a novel partial recirculating loop system. The span crosstalk of the 51.4-km 32-core transmission line was less than -34.5 dB. This allowed the transmission of polarization-division- multiplexed 16 quadrature amplitude modulation (PDM-16QAM) signals through all 32 cores over a long distance exceeding 1000 km. We demonstrate 32-core DSDM 20 wavelength-division-multiplexed PDM-16QAM transmission over 1644.8 km with a high aggregate spectral efficiency of 201.46 b/s/Hz Additionally, we examine the effect of crosstalk on the transmission performance of each core, and show that the Q-penalty has strong correlation with intercore crosstalk.

引用

页码：488 / 498

页数：11

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