WDM has been around for many years and is a fundamental, yet often overlooked area of networks. As new people enter the industry, who perhaps don’t work with Layer1 technologies regularly, they might appreciate an introduction to WDM.
Watch this video that looks at what WDM is (and isn’t), with a brief overview of amplification, muxponding & transponding, with an introduction to modulation, dispersion & attenuation & how this affects higher speed services.
