Scaling wavelength selective switches for multi-band and space-division-multiplexed networks

被引:0
|
作者
Wei, Haoyu [1 ]
Chen, Weixin [1 ]
Yang, Haining [1 ]
机构
[1] Southeast Univ, Dept Elect & Sci & Engn, 2 Sipailou, Nanjing 210018, Jiangsu, Peoples R China
基金
中国国家自然科学基金;
关键词
Optical switches; Liquid crystal on silicon; Optics; Optical imaging; Optical coupling; Relays; Optical polarization; Scalability; Optical sensors; Dispersion; LIQUID-CRYSTAL; DESIGN;
D O I
10.1364/JOCN.531337
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
This paper investigates the practical scalability of wavelength selective switching technology for the emerging multi-band and space-division-multiplexed (SDM) networks. Wavelength selective switching architectures are introduced for multi-band SDM networks. The switching capacity is analyzed for both weakly coupled and strongly coupled SDM networks. Key bottlenecks for scaling up toward multi-band and more spatial modes are identified. Contrary to the conventional view that liquid crystal on silicon (LCOS) was the only technological obstacle, the manufacturability of free-space optics with high numerical apertures and constraints on the optical dimensions also brought significant challenges for the development of highly integrated wavelength selective switches for multi-band SDM networks.
引用
收藏
页码:H9 / H17
页数:9
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