Marvell Unveils First 2nm Optical Technology for AI Data Centers Featuring 400G/lane PAM4

TechFlow reports that on September 21, Marvell announced at ECOC 2026 that it showcased the industry's first 2nm optical technology for AI data center infrastructure. A total of 38 advanced technologies were demonstrated, including the first 2nm 400G/lane optical PAM4, the first field demonstration of a 2nm 800G ZR / ZR+ with MACsec, and the first demonstrations of 2nm 1.6T ZR and coherent lightweight O-band systems. Marvell did not disclose the mass production timeline or specific customers for the aforementioned technologies.