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14
2026
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03
Data Center Optical Modules: The Core of AI Computing Interconnect
Author:
Nancy
Data center optical modules are the core of AI computing interconnect. Driven by cloud computing and large AI models, optical module speeds are evolving toward 800G and 1.6T with trends of high density, low power consumption, and high compatibility. This blog introduces applications in Spine-Leaf architecture and DCI, as well as innovations like silicon photonics, LPO, and CPO. It highlights 100Glight’s full-range, standards-compliant optical modules with high compatibility and reliability for next-generation data centers.
As cloud computing, distributed storage, and large AI models continue to scale, data centers have become critical infrastructure powering the global digital economy. As the key component for electrical-to-optical signal conversion, optical modules directly determine network bandwidth, transmission latency, and system stability. Driven by surging data center traffic, optical module speeds are rapidly evolving from 100G and 400G to 800G and 1.6T, with high density, low power consumption, and high compatibility emerging as major industry trends.
In modern Spine-Leaf architectures, data center interconnects include intra-rack, inter-rack, and inter-data center (DCI) connections. SR and DR series short-reach modules are widely used for intra-rack and inter-rack links, delivering high bandwidth, low power, and high-density deployment. For long-distance DCI, LR, ER, ZR, and DWDM optical modules support large-capacity transmission over dozens to hundreds of kilometers, ensuring stable delivery of cloud services, video distribution, financial transactions, and disaster recovery systems.
The rapid expansion of AI computing clusters has further driven demand for high-speed optical modules. Compared with traditional services, AI training and inference generate exponential east-west traffic, requiring ultra-low latency, high bandwidth, and high reliability. Meanwhile, innovations such as silicon photonics, LPO, and CPO are improving power efficiency and integration, enabling more efficient interconnection for large-scale and intelligent computing centers.
100Glight data center optical modules comply with MSA standards, support hot-plug and DDM (Digital Diagnostic Monitoring), and ensure full compatibility with Cisco, Arista, Juniper, HUAWEI, HPE, and other mainstream equipment. Covering 10G, 25G, 40G, 100G, 400G, and 800G, all products undergo rigorous reliability testing, offering stable transmission, optimized power performance, and excellent cost efficiency.
As high-speed optical modules advance toward faster speeds, lower power, and higher integration, 100Glight remains committed to technological innovation, providing reliable optical connectivity for next-generation data center infrastructure worldwide.
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