High-Speed Multilevel Coded Modulation and Soft Performance Monitoring in Optical Communications.

Tsuyoshi Yoshida, Isamu Kudo, Kenji Ishii,Hideo Yoshida, Hidenori Shimizu, Susumu Hirano,Yoshiaki Konishi,Magnus Karlsson,Erik Agrell

Optical Fiber Communications Conference and Exhibition（2024）

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摘要

We implemented and evaluated probabilistically-shaped multilevel coded modulation and soft-information based performance monitoring at throughputs from 200 Gb/s to 1.2 Tb/s for multi-haul fiber-optic communications. Error-free operations were observed in 5- to 128-ary modulation formats.

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关键词

Performance Monitoring,Optical Communication,Throughput,Power Consumption,Enablers,Electrical Signals,Experimental Evaluation,Analog-to-digital Converter,Order Modes,Spectral Efficiency,Digital Signal Processing,Information Bits,Forward Error Correction,Least Significant Bit,Most Significant Bit,Digital Circuits,Pulse Amplitude Modulation,Quadrature Amplitude Modulation,Amplified Spontaneous Emission,Soft Information,Sign Bit,Pseudo-random Binary Sequence,Modulation Symbols

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