Poll: What best describes your organization’s current perspective on hollow-core fiber for Data Center Interconnection (DCI) applications?

Please let us know whether you are a data center provider and whether you are using or evaluating hollow-core fiber (HCF) for data center interconnection (DCI) operations.

Hollow-core fibers are optical fibers in which light travels through an air-filled (hollow) core rather than a solid glass core. These fibers use photonic bandgap or anti-resonant structures to guide light within the hollow region.

The technology has begun to move from lab to commercial pilot deployment, with significant performance gains and growing adoption in high-speed, low-latency applications such as AI data centers and financial trading networks. 

While still relatively nascent, large companies, including Lightera and Microsoft, are developing HCF solutions. Outside of the large vendor group, Relativity Networks is gaining momentum, raising funding and establishing a partnership with Prysmian to scale the production of Relativity’s fiber products. Also, test and measurement vendors, including Test equipment companies EXFO and VIAVI announced support for HCF testing. 

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