Things to consider with 400G over DWDM
Channel: CSNOG
Date: 2023-05-29

Steve Jones

The 400G market is growing with many more organisations looking to deploy 400G transceivers for IP over DWDM. One thing to consider with 400G optics is that some use a slightly broader passband which can create problems when used with a standard 100Hz-based DWDM system. This short talk is aimed at highlighting the issue and providing options on how to overcome this when using passive DWDM systems.