High Spatial Density 6-Mode 7-Core Fiber Amplifier for L-Band Operation

被引：29
|
作者：
Jung, Yongmin [1 ]
Wada, Masaki [2 ]
Shibahara, Kohki [3 ]
Jain, Saurabh [1 ]
Davidson, Ian A. [1 ]
Barua, Pranabesh [1 ]
Hayes, John R. [1 ]
Sakamoto, Taiji [2 ]
Mizuno, Takayuki [3 ]
Miyamoto, Yutaka [3 ]
Sasaki, Yusuke [4 ]
Saitoh, Kunimasa [5 ]
Nakajima, Kazuhide [2 ]
Richardson, David J. [1 ]
机构：
[1] Univ Southampton, Optoelect Res Ctr, Southampton SO17 1BJ, Hants, England
[2] NTT Corp, NTT Access Network Serv Syst Labs, Tsukuba, Ibaraki, Japan
[3] NTT Corp, NTT Network Innovat Labs, Yokosuka, Kanagawa, Japan
[4] Fujikura Ltd, Fujikura Opt Technol R&D Ctr, Chiba, Japan
[5] Hokkaido Univ, Grad Sch Informat Sci & Technol, Sapporo, Hokkaido, Japan
来源：
JOURNAL OF LIGHTWAVE TECHNOLOGY | 2020年 / 38卷 / 11期
基金：
英国工程与自然科学研究理事会;
关键词：
Optical fiber amplifiers; Optical fiber devices; Optical fiber couplers; Optical fiber networks; Multicore processing; Few mode fiber and multicore fiber amplifier; fiber devices and optical amplifiers; fiber optics and optical communications; space division multiplexing; MULTICORE; TRANSMISSION;
D O I：
10.1109/JLT.2020.2976524
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：
We present a high spatial density space division multiplexed fiber amplifier (i.e., 6-mode 7-core multicore fiber amplifier) supporting 42 spatial channels. A high average modal gain of 23.1 dB is obtained in the L-band with an average differential modal gain of 3.2 dB and a minimum output power of 17.5 dBm per core per mode. The total power consumption of the amplifier is improved by a power reduction factor of 0.36 and a fully fiberized optical amplifier is realized in a cladding-pumped configuration. The assembled amplifier is then tested in a few-mode multicore fiber transmission link and simultaneously amplified 42 spatial channel fiber transmission is demonstrated with the highest spatial density and energy efficiency to date.
引用
收藏
页码：2938 / 2943
页数：6
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