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受限于光纤克尔非线性效应对传输信号质量的影响,光纤通信系统的传输速率和容量难以突破非线性香农极限的限制。利用光频梳的相干特性结合数字信号处理技术突破了早期非线性香农极限的传输性能,有望开启光频梳在下一代光纤通信领域研究的新时代。本文介绍光频梳的定义及产生机制、光频梳在信息通信系统中的最新典型应用、基于光频梳和通信信号处理技术在其他物理科学领域中的交叉应用,探讨了光频梳技术的未来发展方向。
Due to the influence of the Kerr nonlinearity of optical fiber on the quality of the transmitted signal, the transmission rate and capacity of the optical fiber communication system are hard to break the limit of the non-linear Shannon limit. The use of optical frequency comb the coherent properties combined with digital signal processing technology to break the transmission performance of the early non-linear Shannon limit is expected to open the optical comb in the next generation of optical fiber communications research in the new era. This paper introduces the definition and generation mechanism of optical frequency comb, the latest typical application of optical frequency comb in information communication system, based on the cross application of optical frequency comb and communication signal processing in other physical science fields, Future direction.