期刊
IEICE TRANSACTIONS ON ELECTRONICS
卷 E102C, 期 4, 页码 316-323出版社
IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG
DOI: 10.1587/transele.2018ODI0004
关键词
optical fiber communication; short reach; multilevel modulation; pulse amplitude modulation; digital signal processing
资金
- Ministry of Internal Affairs and Communications, Japan
The needs for ultra-high speed short-to medium-reach optical fiber links beyond 100-Gbit/s is becoming larger and larger especially for intra and inter-data center applications. In recent intensity-modulated/direct-detection (IM/DD) high-speed optical transceivers with the channel bit rate of 50 and/or 100 Gbit/s, multilevel pulse amplitude modulation (PAM) is finally adopted to lower the signaling speed. To further increase the transmission capacity for the next-generation optical transceivers, various signaling techniques have been studied, especially thanks to advanced digital signal processing (DSP). In this paper, we review various signaling technologies proposed so far for short-to-medium reach applications.
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