• August 13. 2026

AI computing infrastructure is expanding at full speed. 800G OSFP and QSFP-DD Optical Modules have fully entered the market adoption cycle. The industry is generally showing a differentiated pattern where leading manufacturers are operating at full capacity and order schedules are lengthening, while small and medium-sized manufacturers are accelerating production expansion to grab market share. Th...

• August 06. 2026

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...

• August 04. 2026

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...

• July 16. 2026

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...

• July 14. 2026

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...

• July 09. 2026

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 ...

• July 07. 2026

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...

• July 06. 2026

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...