• March 18. 2026

In the field of optical communication and optical modules, when you discuss optical signal amplification with your colleagues, you might first think of doped fiber amplifiers. However, there is a key device that, although small in size, plays an indispensable role in more and more situations—the semiconductor optical amplifier. So, what exactly is SOA? How is it different from the EDFA we are fami...

• February 27. 2026

Optical modules, as core components of optical communication systems, are essentially "signal translators" connecting the digital world. At the transmitting end, they convert electrical signals into optical signals for transmission via optical fiber, and at the receiving end, they are converted back into electrical signals, enabling seamless data interaction between devices. From speeds leaping fr...

• 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...

• 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...

• 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...

• June 25. 2025

In today's era of data explosion, high-speed and stable data transmission has become a demand of various industries. As an important component of 100G network, the core component 100G QSFP28 dual-fiber optical module has attracted much attention. Today, we will deeply analyze the four mainstream models of 100G QSFP28 dual-fiber optical modules: QSFP28-100G-SR4, QSFP28-100G-LR4, QSFP28-100G-ER...

• May 19. 2025

In the wave of digital transformation, the demand for high-speed, large-capacity optical transmission in data centers, 5G bearer networks, and metropolitan area networks continues to rise. For medium- and short-distance high-density networking scenarios, the 100G QSFP28 O-Band DWDM 10km optical module launched by ETU-LINK has become a "weapon" for building efficient optical communication networks ...