CUbIQ Technologies and Coherent Corp. demonstrate scalable, physical-layer security for AI infrastructure

A CV-QKD transceiver in a standard QSFP-28 pluggable runs alongside Coherent 200G FR4 optics tested over an NVIDIA DGX Spark host system via its ConnectX-7 interface, with no changes to the existing network

EINDHOVEN, Netherlands and MÁLAGA, Spain, Sept. 21, 2026 (GLOBE NEWSWIRE) -- CUbIQ Technologies, a Dutch pioneer in quantum-safe communications for AI infrastructure, and Coherent Corp. (NYSE: COHR), the global photonics leader, today announced a successful proof-of-concept (POC) quantum key distribution (QKD) demonstrator. The demonstration marks a major milestone in the evolution towards deployment of physical-layer security that seamlessly integrates with existing AI infrastructure and will be shown at ECOC 2026 in Málaga.