Lumen and Ciena Transmit Record-breaking 1.2 Tbps Wavelength Service Across 3,050 Kilometers

Network trial paves the way for hyperscalers and enterprises to have the bandwidth agility and cost-efficiency needed for AI and next-gen applicationsDENVER, March 27, 2025 /PRNewswire/ -- Lumen Technologies (NYSE: LUMN) and Ciena (NYSE: CIEN) have successfully established a 1.2 terabit wavelength service trial across 3,050 kilometers (more than 1,800 miles) on Lumen's Ultra-Low-Loss (ULL) fiber network, making it the world's longest 1.2 terabit non-regenerated signal.Using 800G interfaces, Lumen and Ciena ...