STL Group CTO Badri Gomatam states that manufacturing scalability is the primary obstacle to the widespread adoption of hollow core fiber, despite its latency and power advantages. While hyperscalers are currently deploying the technology for long-haul links, Gomatam suggests multi-core fiber remains a more viable near-term solution for internal data center infrastructure.
The shift toward AI-driven data centers requires high-capacity links that can bridge greater distances without increasing latency. While hollow core fiber allows for higher optical power and reduced interference, the current production bottleneck forces a bifurcated strategy where multi-core fiber handles internal density and hollow core manages inter-facility connectivity. For the broader streaming and telecom ecosystem, this means the cost-benefit ratio for low-latency delivery remains tied to hyperscaler-led manufacturing improvements. Watch for the development of formal hollow core standards and improved yields from Corning's North Carolina facilities as indicators of technology maturity.
Recent industry discussions at SCTE TechExpo26 AI network automation have highlighted the urgent need for these fiber advancements to support the next generation of 800G transport requirements. As Telstra tech chief warns telcos, fixing underlying infrastructure is a prerequisite for scaling AI workloads. Broadcasters are also navigating these infrastructure shifts, as SDI remains primary infrastructure for many despite the ongoing industry push toward IP-based workflows.
STL Group CTO Badri Gomatam reports that manufacturing scale is the primary hurdle for hollow core fiber adoption. While the technology offers 30% better latency and 50% greater reach, the complex production of nested glass structures limits its use. Hyperscalers are currently balancing this with multi-core fiber for internal data center needs.
Manufacturing is slower than solid-core fiber because the internal nested glass structures must maintain precise shapes during the drawing process.
Hollow core fiber provides a 30% improvement in latency and 50% greater reach compared to standard single-mode fiber.
Microsoft has secured production agreements with Corning and Heraeus Covantics to increase the global supply for its Azure infrastructure.
Multi-core fiber is currently positioned as a more viable near-term solution for internal data center cabling due to existing splicing standards.
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