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Optical vendors Ciena, Nokia, and Ribbon are forecasting a significant increase in demand for 400G and 800G connectivity by 2026, driven by advancements in AI and data center traffic. Ciena expects strong adoption of its WaveLogic 6 technology, while Nokia predicts 800G deployments will become mainstream, with a market of over one million units annually by 2030. Additionally, AOI plans to expand its 800G transceiver production, and Ribbon's Apollo platform is already facilitating live 800G deployments.