Multi-Band Optical Networking: Recent Advances toward IOWN All-Photonics Network

被引：0
|
作者：
Nakagawa, Masahiro [1 ]
Minami, Haruka [1 ]
Fukatani, Takafumi [1 ]
Seki, Takeshi [1 ]
Hayashi, Rie [1 ]
Kuwahara, Takeshi [1 ]
机构：
[1] NTT Network Service Systems Laboratories, NTT Corporation, Musashino-shi,180-8585, Japan
来源：
IEICE Transactions on Communications | 2024年 / E107.B卷 / 12期
关键词：
IoT and AI-related services and applications are becoming more common and it is expected that cyber-physical systems will enrich our daily lives in the near future. In such a situation; a huge amount of data is exchanged throughout the world in a real time fashion; which will increasingly push the need for optical network evolution. Considering these trends; intensive efforts on research and development have recently been dedicated to realize All-Photonics Network (APN) that is a key element of Innovative Optical and Wireless Network (IOWN). For materializing APN vision; one of the fundamental challenges is to expand network capacity in a highly cost- and energy-efficient manner. Meanwhile; many detailed studies have greatly improved the performance of multi-band optical networks. Thanks to such efforts; multi-band networking has been becoming feasible as a promising capacity-scaling solution; which can be a key enabler for APN. This paper reviews the recent advances in the multi-band optical network from various aspects. Specifically; we take a quick look at the studies enabling multi-band transmission in terms of devices design of transceiver and amplifier; quality-of-transmission estimation; and launch power optimization. Then; we focus on progress in optical switch technology; optical node configuration; path provisioning; and network analysis; aiming to deploy multi-band networks nationwide. We also refer to several emerging technologies; which include our efforts related to wavelength-selective band switching technology. This paper gives an opportunity to understand the trends and potential of multi-band optical networking. Copyright © 2024 The Institute of Electronics; Information and Communication Engineers;
D O I：
10.23919/transcom.2024CEI0011
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页码：842 / 851
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