Global networking solutions provider Ciena has acquired Nubis Communications for an undisclosed amount, significantly expanding its capabilities in advanced optical interconnect technology. Nubis specializes in developing breakthrough optical platforms designed to enable the industry's highest density and lowest power optical interconnects, primarily for AI datacenters. This acquisition underscores Ciena's strategic focus on addressing the evolving demands of artificial intelligence and high-performance computing environments.
Nubis's core offering includes its XT1600™ optical engine, a platform with 1.6 Tbps full-duplex capacity. This engine is optimized for unretimed direct-drive operation, connecting directly with host ASIC SerDes designed for copper links. The highly integrated optical engine supports 16 transmit and 16 receive fibers of 100G each, configurable for various aggregate system port speeds, including standardized Ethernet 400G-DR4 or 800G-DR8. Nubis's mission focuses on transforming AI networks with low-power linear interconnects, outpacing existing solutions in speed, density, and integration.
The purchase is strategic for Ciena, as it aims to integrate Nubis’s cutting-edge linear co-packaged optics into its portfolio. This technology reduces power consumption and enables scale-up and scale-out architectures crucial for the continued growth of AI, from generative to agentic and physical AI. By acquiring Nubis, Ciena enhances its ability to provide high-bandwidth, energy-efficient solutions necessary for next-generation data centers and AI clusters, where traditional interconnects are struggling to keep pace with compute demands.
This strategic acquisition is expected to create synergies that accelerate the development of advanced optical technology. The combined entity will be better positioned to offer integrated solutions that address bandwidth limitations for CPUs, GPUs, and TPUs in HPCs and AI clusters. Ciena anticipates that the integration of Nubis's innovations will enable it to meet the urgent need for holistic electrical-optical integration, supporting the ongoing evolution of high-speed networking infrastructure.