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#NOK — Nokia Expands Coherent Optical Technology Into Subsea Networks | ThinkSabio
Sep 22, 2026 · ThinkSabio Inc
Nokia (#NOK) has published a technical update highlighting the expansion of its coherent-pluggable optical technology into subsea networks, targeting higher capacity with lower power and operating costs.
🔹 Key Highlights
🌊 Nokia is expanding coherent-pluggable optics into subsea networks.
⚡ The technology aims to deliver lower power consumption and lower cost per bit.
📡 It also enables higher network density and simpler operations.
🔗 In a BRUSA subsea trial with Telxius, ICE-X 800G coherent pluggables achieved 600G per wavelength over 2,841 km.
🌐 The technology achieved 400G per wavelength over 5,862 km.
🚀 Nokia says future versions could support 800G+ per wavelength across trans-oceanic distances.
🇸🇬 Nokia is showcasing subsea technologies at Submarine Networks World 2026 in Singapore.
🤖 Solutions include AI-driven subsea networking, next-generation coherent engines and fiber sensing.
💡 Why It Matters
Growing AI and cloud traffic is increasing demand for high-capacity subsea connectivity between data centers and regions. Nokia’s coherent-pluggable technology targets this demand while focusing on power efficiency, network density and lower cost per bit.
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