Journal of Applied Sciences ›› 2020, Vol. 38 ›› Issue (4): 559-578.doi: 10.3969/j.issn.0255-8297.2020.04.004

• Optical Fiber Communication Technology • Previous Articles     Next Articles

Progress in Vortex-Multiplexed Communications Based on Conventional Fibers

WANG Jian1,2, CHEN Shi1,2   

  1. 1. Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, China;
    2. School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan 430074, China
  • Received:2020-06-15 Online:2020-07-31 Published:2020-08-01

Abstract: The rapid development in big data era brings tremendous pressure and challenge to optical communication system. High-speed and large-capacity optical communication has become an inevitable trend of development. Besides the extensive exploitation of traditional physical dimensions of optical waves, vortex mode multiplexing technique based on the transverse spatial dimension has attracted great attention for the improvement of transmission capacity. Except for specially designed ring-core fibers, the widely deployed conventional fibers are also capable of supporting vortex mode multiplexing communication. This paper reviews the research progress of vortex-multiplexed communications based on conventional fibers. First, the characteristics and performance for mode-division multiplexing (MDM) transmission of different mode bases in conventional fibers are introduced. Second, vortex mode properties in conventional single-mode fiber (SMF) and multi-mode fiber (MMF) are comprehensively investigated, and the research progress of vortex-multiplexed communications based both on MMF and on other mode bases are reviewed and discussed. Finally, the future of vortex-multiplexed communication is prospected.

Key words: optical communications, conventional fiber, vortex mode, mode-division multiplexing

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