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Mode-division multiplexed transmission of wavelength-division multiplexing signals over a 100-km single-span orbital angular momentum fiber

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Abstract

We experimentally demonstrate mode-division multiplexed (MDM) transmission using eight orbital angular momentum (OAM) modes over a single span of 100-km low-attenuation and low-crosstalk ring-core fiber (RCF). Each OAM mode channel carries 10 wavelength-division multiplexing (WDM) signal channels in the C band, with each WDM channel in turn transmitting 16-GBaud quadrature phase-shift keying signal. An aggregate capacity of 2.56 Tbit/s and an overall spectral efficiency of 10.24 bit/(s · Hz) are realized. The capacity-distance product of 256 (Tbit/s) · km is the largest reported so far for OAM fiber communications systems to the best of our knowledge. Exploiting the low crosstalk between the OAM mode groups in the RCF, the scheme only requires the use of modular 4×4 multiple-input multiple-output processing, and it can therefore be scaled up in the number of MDM channels without increasing the complexity of signal processing.

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DOI:10.1364/PRJ.394864

所属栏目:Fiber Optics and Optical Communications

基金项目:National Key Research and Development Program of China10.13039/501100012166; NSFC-Guangdong joint program; National Natural Science Foundation of China10.13039/501100001809; Local Innovative and Research Teams Project of Guangdong Pearl River Talents Program; Guangdong Natural Science Foundation10.13039/501100003453; Open Projects Foundation of State Key Laboratory of Optical Fiber and Cable Manufacture Technology (YOFC);

收稿日期:2020-04-09

录用日期:2020-05-26

网络出版日期:2020-05-26

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Junwei Zhang:State Key Laboratory of Optoelectronic Materials and Technologies, School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou 510006, China
Junyi Liu:State Key Laboratory of Optoelectronic Materials and Technologies, School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou 510006, China
Lei Shen:State Key Laboratory of Optical Fiber and Cable Manufacture Technology, Yangtze Optical Fiber and Cable Joint Stock Limited Company, Wuhan 430073, China
Lei Zhang:State Key Laboratory of Optical Fiber and Cable Manufacture Technology, Yangtze Optical Fiber and Cable Joint Stock Limited Company, Wuhan 430073, China
Jie Luo:State Key Laboratory of Optical Fiber and Cable Manufacture Technology, Yangtze Optical Fiber and Cable Joint Stock Limited Company, Wuhan 430073, China
Jie Liu:State Key Laboratory of Optoelectronic Materials and Technologies, School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou 510006, China
Siyuan Yu:State Key Laboratory of Optoelectronic Materials and Technologies, School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou 510006, China;Photonics Group, Merchant Venturers School of Engineering, University of Bristol, Bristol BS8 1UB, UK;e-mail: s.yu@bristol.ac.uk

联系人作者:Jie Liu(liujie47@mail.sysu.edu.cn)

备注:National Key Research and Development Program of China10.13039/501100012166; NSFC-Guangdong joint program; National Natural Science Foundation of China10.13039/501100001809; Local Innovative and Research Teams Project of Guangdong Pearl River Talents Program; Guangdong Natural Science Foundation10.13039/501100003453; Open Projects Foundation of State Key Laboratory of Optical Fiber and Cable Manufacture Technology (YOFC);

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引用该论文

Junwei Zhang, Junyi Liu, Lei Shen, Lei Zhang, Jie Luo, Jie Liu, and Siyuan Yu, "Mode-division multiplexed transmission of wavelength-division multiplexing signals over a 100-km single-span orbital angular momentum fiber," Photonics Research 8(7), 1236-1242 (2020)

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