• June 16. 2017

Both optical patch cord and optical transceiver have single mode / multimode. If the collocation is wrong when using, it will lead to the parameter error of the optical modules. How to match the use of patch cord and optical transceiver? Today, we will share the knowledge with you, hope that can will be helpful for you! What are the differences between single mode and multimode optical modules? Th...

• November 01. 2017

With the rapid development of information technology, the application of optical communication has become more and more popular. With the advantages of large capacity and high-speed transmission, Fiber Optic Transceiver Modules is playing a more and more important role. Where there is fiber, the optical module is needed, and the selection and purchase of the optical module has become the focus of ...

• November 05. 2020

Multimode optical fiber is the most original technology of optical fiber communication, which is a revolutionary breakthrough for human beings to realize communication through optical fiber for the first time. Later, with the development of optical fiber communication technology, especially the development of laser technology and people's urgent need for long distance and large amount of informati...

• October 24. 2022

In this blog, ETU-LINK will talk about the 50G SFP56 SR optical module using PAM4 modulation technology. Since the PAM4 signal has four level values, the PAM4 signal can be used in the same physical bandwidth of the channel. Downlink transmission is twice the amount of information compared to NRZ signals, enabling single-channel 50G applications. Therefore, PAM4 signal modulation has become t...

• May 16. 2023

Before understanding the differences between single mode and multimode, we need to know that light propagates in a fiber as a set of independent beams, which propagate at a specific angle to the fiber axis and are called modes. We can distinguish between single mode and multimode by transmission mode. Single mode fiber supports one mode, while multimode fiber supports multiple modes. Below, ETU-LI...

• May 23. 2023

Multimode fiber has been developed from OM1 to OM5 now, so which one is better among OM2, OM3, and OM4 multimode fiber? In this blog, ETU-LINK will explain to you.   Multimode fiber is mainly used for optical transmission with a wavelength of 850nm. Here, the two points of effective mode bandwidth and full injection bandwidth can be compared separately. First, let us understand what bandwidth...