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Multi-Granular Switching Node and Enabling Devices
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DOI：10.1109/JLT.2024.3454380.png)
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Abstract
En 中文
Multi-band and space-division-multiplexing (SDM) is essential for realizing future high-capacity networks. A multi-band system needs to employ more bands other than conventional C+L bands, and SDM technology includes a multi-fiber system with multi-degree nodes. One challenge to realize multi-degree nodes is the scalability of devices. To address this issue, we propose a configuration of a multi-granular switching node by introducing a band cross-connect in addition to the conventional wavelength cross-connect, which relaxes the requirements for the devices. However, at the same time, new classes of devices need to be developed to construct the multi-granular switching node. We describe the multi-granular switching node and its enabling devices. We also prove that the proposed configuration of the band-granular switching node provides better transmission characteristics than a conventional CDC-ROADM only node.
Keywords:
Optical switches
Optical fibers
Optical fiber networks
Optical fiber amplifiers
Optical amplifiers
Transponders
Transmission line matrix methods
Band-granular switching
colorless
directionless
and contentionless reconfigurable optical add/drop multiplexing (CDC-ROADM)
dynamic gain equalizer
multi-band network
narrow guard-band band (de)multiplexer
silica-based planar lightwave circuit
transponder aggregation
wavelength selective switch (WSS)
Journal
IF:
4.8
Papers:
1.7W
Citations:
3.8W
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Cited Papers
ShareSaveShareSaveShareSaveShareSaveShareSaveFirst demonstration of a C plus L band CDC-ROADM with a simple node configuration using multiband switching devices.png)
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