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随着网络的飞速发展,人们对于通信容量的需求已呈指数增长,需要研究新型的复用方式。本文结合光通信的最新进展,介绍了两种新型的复用形式-空分复用和模式复用。其中模式复用可以达到5.4b/s/Hz的频谱效率,空分复用的谱效率更是达到了14b/s/Hz。本文从原理和实验两方面对新型的复用形式进行了阐释,揭示了今后光通信复用的方向。?
With the rapid development of the Internet, the demand for communication capacity has exponentially increased, and new types of multiplexing methods need to be studied. In this paper, the latest advances in optical communications, introduced two new types of multiplexing - space division multiplexing and pattern reuse. Among them, the mode multiplexing achieves the spectral efficiency of 5.4b / s / Hz, and the spectral efficiency of space division multiplexing achieves 14b / s / Hz. In this paper, the new type of multiplexing is explained both in principle and experiment, revealing the direction of optical communication reuse in the future. ?