• 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...

• October 21. 2025

With the increasing demand for network bandwidth in scenarios such as 5G base station deployment, data center interconnect (DCI), and high-definition video transmission, 100G optical modules have become the mainstream choice. 100G Single-fiber Optical Modules, with their core advantage of enabling bidirectional transmission over a single fiber, are becoming a key device for conserving fiber resour...

• September 29. 2025

In fiber-optic communication systems, long-distance optical modules, due to their high transmit optical power, are highly susceptible to damage to receiving devices when directly connected to shorter optical fibers. This article analyzes the mechanisms of optical power overload, typical damage scenarios, and protective measures, providing technical references for engineering practice. I. Physical ...

• September 11. 2025

Did you know? In the world of optical transceivers, there's a subtle yet crucial role: the gold finger. Don't underestimate these glittering golden contacts at the end of an optical module; each one carries the weight of a "bridge for data transmission." When an optical module is inserted into a device, the gold finger engages directly with the connector, ensuring reliable transmission of electric...

• September 09. 2025

In the field of optical fiber communications, wavelength division multiplexing (WDM) technology is a key means of increasing optical fiber transmission capacity. As a key offshoot of WDM technology, CWDM (Coarse Wavelength Division Multiplexing) has been widely used in specific scenarios due to its low cost and ease of deployment. Below, ETU will provide a detailed analysis of CWDM, including its ...

• August 14. 2025

At a time when network technology is changing rapidly, 10G networks are gradually becoming popular among the general public, and 10G optical modules, as key components for achieving high-speed optical fiber transmission, are of great importance. ETU-Link 10G SFP+ optical modules use the latest mainstream optical chip technology and packaging technology to achieve lower power consumption and lower ...