CableLabs this week took the wraps off its next development in optical technology, building on the non-profit cable R&D organization's prior work applying coherent optics to last-mile broadband infrastructure.
In a detailed article on Light Reading, Senior Editor Mari Silbey discusses CableLabs' most recent work, which is designed to improve operators' efficiency when they deploy coherent optics in the access network. With the organization's advances, coherent optics -- which are most often found in long-haul networks -- may well make this technology viable for deployment closer to the subscriber's home, she writes.
Dubbed Full Duplex Coherent Optics, the project incorporates bidirectional traffic over one medium, optimizing network infrastructure by empowering traffic to simultaneously flow in both directions over an optical fiber link.
Today, about one-fifth of residential cable deployments use one fiber that taps multiple wavelengths for upstream and downstream traffic, according to Steve Jia, distinguished technologist for wired technologies at CableLabs. But that could grow to 60% in the near future, says Jia, as cable operators use additional fibers for offerings such as commercial services.
Find Mari's complete article -- which includes many technical details and schematics -- on Light Reading. Click here.
Without end-to-end automation of the network, service providers cannot help customers – enterprise, government, manufacturing, healthcare – succeed and that's something testing vendors recognize and are acting upon.