Journal
JOURNAL OF LIGHTWAVE TECHNOLOGY
Volume 36, Issue 2, Pages 377-400Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JLT.2018.2793881
Keywords
Digital signal processing; direct detection; optical communications
Funding
- National Natural Science Foundation of China [61671053, 61435006, 61370191]
- Hong Kong Government General Research Fund [PolyU 152248/15E]
- Huawei Technologies Company Ltd. [1-ZVGB]
- Fundamental Research Funds for the Central Universities [FRF-BD-17-015a]
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Driven primarily by cloud service and data-center applications, short-reach optical communication has become a key market segment and growing research area in recent years. Shor-treach systems are characterized by direct detection-based receiver configurations and other low-cost and small form factor components that induce transmission impairments unforeseen in their coherent counterparts. Innovative signaling and digital signal processing (DSP) play a pivotal role in enabling these components to realize their ultimate potentials andmeet data rate requirements in cost-effective manners. This paper presents an overview of recent DSP developments for short-reach communications systems and discusses future trends.
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