Titlebook: Digital Signal Processing In High-Speed Optical Fiber Communication Principle and Application; Jianjun Yu,Nan Chi Book 2020 Tsinghua Unive

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All-Optical Nyquist Signal,The bandwidth requirements of network data services are driven by video streaming, cloud computing, social media, and mobile internet transmission, growing at a rate of 30–60% per year [.,.,.,.]. Considering the cost, high-speed optical transmission interfaces and high-spectrum efficiency technologies are becoming more and more important.

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Advanced Modulation Code Optical Signal Transmission Technology,The single-carrier 400 G transmission network (SC-400 G), as a solution for future metropolitan area networks (metro) and data center networks (DCI), is expected to quadruple the network capacity while reducing the cost per bit.

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PAM4 Signal Modulation and Digital Signal Processing-Based Detection Technology,To meet the rapidly growing demand for data center traffic, flexible and low-cost 400 Gbit/s transmission schemes have been proposed as alternatives for next-generation data center interconnect applications.

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Optical OFDM,The modulation method of the optical communication system can be divided into direct modulation and external modulation, as shown in Fig.?12.1.

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Direct Detection OFDM,According to our discussion in Sect.?., due to its advantages of simple structure, low-cost, and low implementation complexity, DDO-OFDM is mainly applied in access network [.,.,.,.,.,.,.,.,.,.,.,.] and ultra-high-speed point-to-point optical fiber communication services [.,.,.,.,.,.,.,.,.].