aallonjakaman
Aallonjakaman is a Finnish term that translates to "wave division" or "wavelength division" in English. It refers to a technique used in optical communication systems, specifically in fiber optics, to transmit multiple signals over a single optical fiber simultaneously. This is achieved by assigning each signal a unique wavelength of light.
In a wavelength division multiplexing (WDM) system, a transmitter encodes data onto different wavelengths of light.
There are two main types of WDM: coarse wavelength division multiplexing (CWDM) and dense wavelength division