1. WDM - Noun
2. WDM - Proper noun
WDM
(computing) Initialism of Windows Driver Model.
(physics) Initialism of warm dark matter.
(technology) Initialism of wavelength-division multiplexing.
Source: en.wiktionary.orgNormal WDM using direct detection does not achieve anything like the close channel spacing of radio frequency FDM. Source: Internet
This differs from WDM system transponders, including both coarse and dense wavelength-division multiplexing systems (CWDM and DWDM) that currently support OC-192 SONET signals, which can normally support thin-SONET–framed 10 Gigabit Ethernet. Source: Internet
Finally, there are concerns of nonlinear penalty in the amplifier for the WDM signal channels. Source: Internet
Modern optic fibre transmission makes use of wavelength-division multiplexing (WDM) where signals transmitted across the fibre are transmitted at different wavelengths, creating additional channels for transmission. Source: Internet
With the application of wavelength division multiplexing (WDM), the bandwidth of OTN has risen up to 100Gbit/s (OTU4 Signal), by emitting light beams of different wavelengths. Source: Internet