Flexible Optical Transceivers

被引：3
|
作者：
Roberts, Kim [1 ]
机构：
[1] Ciena Canada, 383 Terry Fox Dr, Ottawa, ON K2K 0L1, Canada
来源：
NEXT-GENERATION OPTICAL COMMUNICATION: COMPONENTS, SUB-SYSTEMS, AND SYSTEMS VII | 2018年 / 10561卷
关键词：
Digital signal processing; modulation formats; optical coherent transceivers; optical networks; POWER OPTIMIZATION; COHERENT; MODULATION; TRANSMISSION; CAPACITY; FORMAT;
D O I：
10.1117/12.2295350
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Optical networks, for 400G and beyond, require flexibility and agility from network elements, especially from coherent transceivers. Higher baud rates are made possible using new electrooptic technologies. Multi-dimensional modulation formats provide improved tolerance to noise and fiber nonlinearities. Constellation shaping further improves these tolerances while allowing a finer granularity in selection of capacity. Frequency division multiplexing also provides improved tolerance to the nonlinear characteristics of fiber. Algorithms with reduced computation complexity allow the implementation at-speed of direct precompensation of nonlinear propagation effects. FlexEthernet and FlexOTN allow network operators to optimize capacity on their optical transport networks.
引用
收藏
页数：13
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