• January 07. 2026

100G industrial-grade optical modules play a crucial role in various industrial fields due to their high speed, high reliability, and strong environmental adaptability. The following is a detailed introduction to typical application scenarios , using ETU-LINK Optical Communication 100G ZR4 80KM as an example: I. Industrial Automation and Intelligent Manufacturing (1) Real-time data transmission an...

• December 30. 2025

In the optical module production workshop of ETU-LINK Optical Communication, there are no spotlights, only a group of ordinary employees working silently. Day after day, they stick to their posts, using their skilled techniques and heavy sense of responsibility to ensure the quality of every optical module. Those products bearing "Made by ETU-LINK" are shipped to various places with this dedicatio...

• December 17. 2025

In the field of short-range optical communication, the packaging technology of optical modules directly affects product performance, cost, and application adaptability. COB (Chip On Board) packaging and coaxial technology, as two mainstream technologies, differ significantly in structural design and performance. This article will analyze the differences between the two from key dimensions to assis...

• November 25. 2025

As data center speeds advance towards 800G and even 1.6T, a technology called "silicon photonics" is changing the optical module industry landscape with unprecedented momentum. So, what are the differences between silicon photonics modules and the traditional optical modules we are familiar with? Core Difference 1: Technical Approach and Materials Traditional optical modules employ a "hybrid integ...

• November 11. 2025

Ⅰ. Accelerated Localization of Optical Modules: Triple Drivers of Policy, Technology, and Corporate Practice Driven by the explosive growth of AI computing power and the large-scale application of 5G, optical modules, as a core component of communication infrastructure, are entering a critical window of opportunity for domestic substitution. ETU-Link Technology Co., Ltd. more than a decade of...

• November 04. 2025

When AI models are trained in hours and autonomous driving processes massive amounts of data in real time, 800G optical modules are an indispensable high-speed transmission foundation. They are not merely "upgrades to network cables," but core components supporting the operation of global digital infrastructure. Companies like ETU-LINK, deeply rooted in the field of optical communication, are prov...

• October 28. 2025

When we transfer large files or use VR devices for remote meetings on a daily basis, optical modules are the core components for efficient data interaction. The "optical interface" connecting the optical module and the optical fiber is the key to stable transmission of optical signals. Slight deviations may cause signal anomalies. I. 1 Micron: The “Precision Red Line” of Optical Interfaces The coa...

• October 24. 2025

In 100G optical communication networks, QSFP28 (Quad Small Form-Factor Pluggable 28) is the mainstream packaging standard. It is key to high-speed interconnection in data centers and telecommunications networks, and directly affects the deployment efficiency of optical modules and network performance. I. Core Design of QSFP28 Packaging 1. Compact size: approximately 18.3mm×56.5mm×8.5mm, only 1/5 o...