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As the AI computing power race intensifies, Google is aggressively expanding its global computing infrastructure. In this arms race, optical modules, serving as the "highway" for data transmission, have become one of the core procurement categories for Google's data center construction. Based on data from third-party organizations such as TrendForce and LightCounting, the following outlines the ke...
With the continuous growth of data center traffic, 100G networks have become the industry standard. However, many engineers often face a practical problem when deploying 100G networks: what kind of patch cord should be used with 100G optical modules? Choosing the wrong one can lead to signal attenuation, link failure, or even equipment damage. This article provides a professional overview of the p...
A race to build AI infrastructure with no turning back. In 2026, the US data center industry is experiencing an unprecedented expansion. According to the latest data from TrendForce, the combined capital expenditure of the world's nine largest cloud service providers is projected to reach $830 billion in 2026, a significant year-on-year increase of 79%. Among them, the four major North American te...
The optical communication industry boasts a comprehensive and professional technical terminology system, with numerous abbreviations and professional terms, posing a significant cognitive barrier for newcomers. Having accumulated extensive industry experience and understanding the inefficiency of rote memorization, this article systematically compiles frequently occurring core terms in optical com...
Let’s Talk About the “Invisible Ears” and “Smart Brains” Hidden Within the Internet of Everything. Have you ever wondered how your phone can accurately recognize your voice when you say "Hey Siri" in a noisy environment? How does radar transmit signals to the vehicle's computer in milliseconds when it detects an obstacle in front of the vehicle to make a braking decision? Behind these "smart momen...
With the explosive growth of cloud computing and AI big data models, and the iterative upgrade from 5G to 6G, network bandwidth demand has seen an explosive increase. From backbone networks to metropolitan area networks, from data center interconnect (DCI) to enterprise core networks, 400G has become the "mainstream threshold" for high-speed transmission. Among them, 400G QSFP-DD LR4, with its uni...
As the core hub of optical communication systems, the rate iteration of optical modules determines the data transmission efficiency and upper limit, supporting the upgrading of industries such as digital economy, AI computing power, and 5G communication. From 1.25G to 800G, the iteration of optical modules is accompanied by innovations in architecture, principles, and performance. This article wil...
I. Basic Definition of TEC TEC stands for thermoelectric cooler, a miniature semiconductor solid-state temperature control element. Lasers in optical modules are highly sensitive to temperature; temperature fluctuations can easily cause problems such as wavelength shift, power instability, and signal degradation. Therefore, mid-to-high-end high-speed optical modules commonly incorporate miniature ...
With the rapid development of data centers, AI, and 5G transport networks, 400G optical modules have become a core necessity in the communications industry chain. Compared to the mature 100G optical modules, their large-scale deployment still faces many underlying technical and application challenges, directly restricting market penetration and affecting cost control and operational stability in d...
In optical communication network design, one of the most frequently asked questions engineers are asked is: "How far can this optical fiber actually transmit?" It seems like a simple question, but behind it lies a rigorous set of calculation logic. Today, let's break down how the transmission distance of an optical module is calculated. Ⅰ.Two Major Obstacles: Loss and Dispersion The transmission d...
In the vast system of optical communication networks, we often focus on core equipment such as switches, routers, and optical modules, but overlook a seemingly small yet crucial component—the fiber optic patch cord. Like an "invisible bridge" in the network world, it traverses various scenarios such as computer rooms, data centers, and communication base stations, silently undertaking the task of ...
With the rapid development of AI computing power and the continuous surge in data center traffic, 400G networks are gradually reaching their performance bottlenecks. To adapt to the needs of high-density, low-latency computing network upgrades, ETU-LINK Optical Communication has launched a pre-launch campaign for new products, showcasing two self-developed 800G high-speed optical modules based on ...
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