• April 30. 2026

In today's rapidly evolving technological landscape, the convergence of drones and optical communication is becoming a key force driving industry transformation. The following will elaborate on the relationship between drones and optical communication, trends in optical module products, and future prospects. I. The Relationship Between Drones and Optical Communications: Optical Modules as Core Com...

• April 28. 2026

Comparative Analysis of PAM4 and NRZ Modulation Technologies PAM4 and NRZ are two mainstream digital signal modulation technologies in optical communication and high-speed data transmission. Their fundamental differences lie in the number of signal levels, transmission efficiency, and anti-interference capabilities. The following analysis will examine them from three dimensions: principles, c...

• March 27. 2026

100G BIDI 80km ZR4 Optical Transceiver: The Revolutionary Solution for Long-Distance Transmission Ⅰ.Market Overview: Rising Demand and Maturing Technology Drive Adoption Driven by data center interconnections, 5G network deployment, and metropolitan backbone network upgrades, demand for 100G BIDI 80km ZR4 optical modules continues to grow. Its core advantage lies in its single-fiber bidirectional ...

• 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...