STL Debuts India’s First Hollow Core Fibre for the AI Era

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"With the launch of the Hollow Core Fibre cable, we are providing the 'speed-of-light' infrastructure required for the AI revolution. This is a defining moment that demonstrates our capability to innovate and empower hyperscalers and data centres on a global scale." - Dr. Badri Gomatam, CTO - STL

March 2026 : In a world where milliseconds determine the success of high-frequency trading and AI processing, Sterlite Technologies Ltd (STL) has just shattered the speed limit of traditional connectivity. The company has officially launched India’s first Hollow Core Fibre (HCF) cable, a breakthrough engineered specifically to meet the grueling low-latency demands of modern Data Centres and Hyperscalers.

For decades, optical fibres have relied on solid glass cores to carry light. STL’s new HCF technology flips the script by guiding light through an air-filled core. The result? Signals travel roughly 46% faster than they do in standard glass cables, drastically reducing signal loss and lag.

As AI continues to evolve at a breakneck pace, the physical infrastructure supporting it has often struggled to keep up. STL’s R&D team solved this by creating a unique Hybrid Cable architecture. This high-tech synergy combines Hollow Core Fibre for ultra-low latency, G.654.E fibre for long-haul efficiency, and G.657.A1 NOVA for broad network versatility.

Dr. Badri Gomatam, CTO of STL, emphasized that this isn't just an incremental update - it’s a leap forward for the industry. "Our R&D focus has always been on solving the most complex challenges of the future," said Dr. Gomatam. "With the launch of the Hollow Core Fibre cable, we are providing the 'speed-of-light' infrastructure required for the AI revolution. This is a defining moment that demonstrates our capability to innovate and empower hyperscalers and data centres on a global scale."

With over 780 patents in its portfolio, STL is doubling down on its "Glass-to-Terabit" mission. By becoming the first company to develop and manufacture HCF technology within India, STL is positioning the country as a primary hub for next-generation digital infrastructure.

For the data centres and cloud companies that form the backbone of our digital lives, this cable represents more than just hardware - it’s the high-speed nervous system required for the next era of global connectivity.

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