CPO · Co-Packaged Optics
Optics integrated into the switch or accelerator package to beat copper-reach limits at the cost of serviceability.
Bringing optical engines into the chip package to push high-speed links further than copper allows.
Also written as: Co-Packaged Optics
Current numbers
~0.5%TrendForce forecast of CPO optical-module share; distinct from switch shipment status
~5.4 WCPO engine + laser power per 800G, Broadcom Bailly class (SemiAnalysis, January 2026)
102.4 Tb/s; Davisson early-access sampling announcedDavisson original CPO announcement; procurement and engine FRU evidence remain product-specific