While silica-based fibers have been the go-to solution in optical communications for the past 50 years, recent advancements in hollow-core fibers (in which the optical signal is transmitted in a hollow, i.e., air, core) are paving the way toward 6G-and-beyond applications that are expected to require extremely high throughput and ultra-low latency.

In this paper, we investigate the deployment of hollow-core fibers in optical networks and quantify the benefits in terms of 1) reducing the number of edge data centers in latency-constrained optical networks, 2) network equipment cost minimization, and 3) network throughput.

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