DWDM Networks

DWDM Networks over Long Distance Transmission

With the ever-increasing need for higher bandwidth, DWDM technology has been one of the most favorable optical transport network (OTN) applications. In this post, we will reveal DWDM-based network solutions over various transmitting distances as well as some suggestions for the DWDM networks deployment. DWDM Networks Basics As usual, let’s review some basics of DWDM networks. In this part, we…

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Passive CWDM vs DWDM: What’s the Difference?

WDM (Wavelength Division Multiplexing) is a commonly used technology in optical communications. It is often deployed to join multiple wavelengths onto a single fiber. In the WDM system, there are two main types: Coarse Wavelength Division Multiplexing (CWDM) and Dense Wavelength Division Multiplexing (DWDM). Both CWDM and DWDM are available as active or passive systems. This article will focus on discussing the difference between…

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Four Basic Elements in a WDM System

We know that fiber can carry more data over long distances than any other physical medium. That makes fiber a very precious material. And how to make the most use of your fiber plant becomes a question. So there comes Wavelength Division Multiplexing (WDM). Why Should We Deploy WDM? WDM can multiply your fiber capacity by creating virtual fibers. The…

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How to Upgrade to 500G with 40CH DWDM Mux/Demux System?

Faced with the multifaceted challenges of increased service needs, fiber exhaust, and layered bandwidth management, the main challenge for service providers is to provide more and cheaper bandwidth and integrated services using different methods. Today, this article is to introduce a method that upgrades your network to 500G with DWDM (dense wavelength division multiplexing) technology. Why Use DWDM Technology? As…