XKL
TelecommunicationsWashington, United States51-200 Employees
XKL is a mid-sized telecommunications company based in Redmond, Washington, that specializes exclusively in optical networking. It builds and deploys build-to-order yet cost-effective DWDM solutions, with Layer 1 optical networking capabilities designed to meet demanding network requirements. Privately owned by Len Bosack, co-founder of Cisco Systems, XKL carries a mission aligned with delivering reliable, easy-to-use data communication solutions accessible to all. The company serves businesses of all sizes, collaborating to expand and reimagine networks. In the telecommunications landscape, it positions itself as a specialist provider of high-capacity optical transport and DWDM systems. In May 2026, XKL announced the availability of the SpectraPath Illuminator, reflecting ongoing product development.
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