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作 者:Ming LUO Qi MO Xiang LI Rong HU Ying QIU Cai LI Zhijian LIU Wu LIU Huang YU Wei DU Jing XU Zhixue HE Qi YANG Shaohua YU
机构地区:[1]State Key Laboratory of Optical Communication Technologies and Networks, Wuhan Research Institute of Posts and Telecommunications, Wuhan 430074, China [2]School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan 430074, China
出 处:《Frontiers of Optoelectronics》2015年第4期394-401,共8页光电子前沿(英文版)
基 金:Aeknowledgements This work was supported by the Major Scientific and Technological hmovation Projects of Hubci Province (No. 2014AAA001), the National Basic Research Program of China (Nos. 2014CB340100, 2014CB340101, and 2014CB340105). and the Natural Science Foundation of Hubei Prov incc (No. 2015CFA056).
摘 要:A few-mode fiber (FMF) is designed to support three spatial modes (LP01, LP 11a, and LP 11 b) and fabricated through plasma chemical vapor deposition (PCVD)and rod-in-tube (RIT) method. Using PDM-DFTS-OFDM- 32QAM modulation, wavelength division multiplexing, mode multiplexing, and coherent detection, we successfully demonstrated 200Tb/s (375× 3 × 178.125Gb/s) signal over 1 km FMF using C and L bands with 25 GHz channel spacing. After 1 km FMF transmission, all the tested bit error rates (BERs) are below 20% forward error correction (FEC) threshold (2.0 × 10-2). Within each sub-channel, we achieved a spectral efficiency of 21.375 bits/Hz in the C and L bands.A few-mode fiber (FMF) is designed to support three spatial modes (LP01, LP 11a, and LP 11 b) and fabricated through plasma chemical vapor deposition (PCVD)and rod-in-tube (RIT) method. Using PDM-DFTS-OFDM- 32QAM modulation, wavelength division multiplexing, mode multiplexing, and coherent detection, we successfully demonstrated 200Tb/s (375× 3 × 178.125Gb/s) signal over 1 km FMF using C and L bands with 25 GHz channel spacing. After 1 km FMF transmission, all the tested bit error rates (BERs) are below 20% forward error correction (FEC) threshold (2.0 × 10-2). Within each sub-channel, we achieved a spectral efficiency of 21.375 bits/Hz in the C and L bands.
关 键 词:few-mode fiber (FMF) mode multiplexing coherent detection
分 类 号:TN929.11[电子电信—通信与信息系统] TH165[电子电信—信息与通信工程]
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