光纤通信空分复用技术研究进展分析

doi:10.11959/j.issn.1000-0801.2017237

Abstract

Abstract:

The evolution of optical fiber communication technology is driven by the ceaseless growth of capacity demand of Internet.Space division multiplexing (SDM) based on multi-core fiber,few-mode fiber,few-mode multi-core fibers and orbital angular momentum has become the focus of academy and industry.Key technologies and latest research progress were reviewed,including novel fiber design,spatial mode conversion,spatial channel de/multiplexing and optical amplification.Based on the comparison and analysis of four kinds of SDM technologies,their bottlenecks and potential future application were also discussed.

Key words: optical fiber communication, space division multiplexing, multi-core fiber, few-mode fiber

CLC Number:

TN929.11

Junsen LAI,Rui TANG,Bingbing WU,Wenxuan WU,Hongfa LI,Guojun LIU,Wenyu ZHAO,Haiyi ZHANG. Analysis on the research progress of space division multiplexing in optical fiber communication[J]. Telecommunications Science, 2017, 33(9): 118-135.

Figures/Tables 10

References 87

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报道时间	研究机构	光纤类型	通道/模式数(C/M)	传输距离/km	系统容量/(Tbit·s^-1)	频谱效率/(bit·(s·Hz)^-1)
2017年^[75]	NTT	MCF	32-C	1 645	61.44	201.46
2016年^[12]	TE Subcom	MCF	12-C	14 350	105	3.2
2015年^[9]	NICT	MCF	22-C	31	2 150	214
2016年^[57]	LU/Bell	FMF	3-M (2-LP)	1 050	18	9
2016年^[56]	Bell	FMF	10-M (6-LP)	87	67.5	58
2015年^[36]	Bell	FMF	15-M (9-LP)	22.8	——	43.63
2013年^[52]	Bell	FMF	6-M (4-LP)	177	24.6	32
2016年^[59]	NTT	FM-MCF	3-M×12-C	527	28.8	94.32
2016年^[6]	KDDI	FM-MCF	6-M×19-C	9.8	2 050	456
2015年^[58]	NICT	FM-MCF	3-M×36-C	5.5	432	432
2016年^[74]	HUST	MMF	4-OAM	2.6	——	8
2013年^[72]	BU	Vortex	2-OAM×2-Pol	1.1	1.6	16

SDM方案技术特性	集束光纤（多纤）	多芯复用MCM	少模复用FMM	少模—多芯复用FM-MCM	轨道角动量OAM复用
光纤制备	成熟约300 光纤	较成熟约30 纤芯	较复杂约15 模式	复杂约150通道	困难特殊结构
光纤损耗	低	低	较高	中	高
非线性	低	中	较高	中	待研究
信道串扰	无	低	中/高	中	高
对准/熔接	单纤量大难度低	标识辅助中	现有设备抵	标识辅助中	待研究
模式	无	无	较成熟	较成熟	复杂
转换/控制			空间/波导	空间/波导	空间/PIC
信道复用/解复用	成熟单纤WDM	较成熟空间/波导	较成熟空间/波导	集成式复用待研究	复杂空间/PIC
光放大方案	单纤放大EDFA	芯/包层约7纤芯	芯/包层约6模式	包层泵浦3M×6C	待研究
MIMO-DSP	2×2	C×(2×2)	2M×2M	C×(2M×2M)	2M×2M

Analysis on the research progress of space division multiplexing in optical fiber communication

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