Evolution and Trends of 25G/50G/100G/400G Optical Modules in Data Center and Transport Networks
The article reviews the shift from 10G to 25G and higher‑speed optical modules, comparing 25G native chips with 10G over‑clock solutions, discussing supply‑chain dynamics, network upgrade paths, 400G packaging standards, and the growing demand for high‑speed transceivers in modern data‑center and telecom infrastructures.