This pilot validates a next-generation technology that carries several light signals simultaneously, significantly boosting bandwidth without the need for additional cables. By expanding the capacity of existing infrastructure, this approach supports hyperscalers and content providers bracing for surging demands from AI and cloud computing.
Feb 04, 2026
STL has collaborated with Colt Technology Services to successfully conduct a multi-core fibre trial across London’s metro optical production network.
This pilot validates a next-generation technology that carries several light signals simultaneously, significantly boosting bandwidth without the need for additional cables. By expanding the capacity of existing infrastructure, this approach supports hyperscalers and content providers bracing for surging demands from AI and cloud computing.
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The trial, covering distances up to 63 km, achieved an 800 Gbps line rate and demonstrated that the multi-core fibre ecosystem is ready for field deployment. Beyond increasing throughput, this technology simplifies digital infrastructure and reduces total cost of ownership by minimizing maintenance and physical duct space requirements.
”This milestone reflects a shared commitment to building future-ready networks that balance high-performance optical transport with resource efficiency to support the digital applications of tomorrow,” posts STL in its social media handle.
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”As demand for network capacity surges, customers need more bandwidth without compromising security, performance, or sustainability. At Colt, we’re pushing the boundaries of optical networking, and this pilot marks another breakthrough. It demonstrates our commitment to delivering future-ready sustainable network that meets the growing needs without costing to Earth.” added Buddy Bear, COO, Colt Technology Services.
