Image Credit: Microwave Photonic Systems Inc. Wavelength division multiplexers (WDM) are electronic devices that combine ... Dense wavelength division multiplexers (DWDM): These devices use optical ...
Next, Sec. 13.3 gives some examples of coarse WDM (CWDM) and dense WDM (DWDM) networks. Finally, Sec. 13.4 introduces the concepts of monitoring the performance and health of WDM links. Chapter 18 ...