Silicon Photonics Modules Displace Discrete Laser Diodes
Data centre operators are increasingly specifying silicon photonics modules in place of discrete laser diodes that cannot document consistent coupling efficiency across increasingly dense optical interconnect racks. MMA's Q4 2025 primary research found operators using silicon photonics modules reporting coupling efficiency improving 18 percent versus comparable discrete designs, as vendors completed the alignment calibration work needed to certify performance across commercial scale deployments. This shift is resetting vendor investment priorities across nearly every major product line in the category, and quickly reshuffling supplier shortlists at several leading data centre operators. This is expected to broaden further.
Market Impact: Drives 39 percent of new decisions

