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Four wave mixing (fwm)
Fiber Optic Glossary |
A collective name for a group of nonlinear processes where up to three different incident waves interact in the medium, resulting in a fourth wave
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Collective, английский
A собирательный | n кол- лектив noun
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Diplexer, английский
- A component used to provide two functions, such as multiplexing or filtering optical signals. for example, a diplexer used at an fttx optical network terminal filters the downstream 1490-nm wavelength and multiplexes the upstream 1310-nm wavelength to or from a single fiber
- A device that combines two or more types of signals into a single output. usually incorporates a multiplexer at the transmit end and a demultiplexer at the receiver end.
Optical supervisory channel (osc), английский
A channel, accessed at each optical line amplifier site, used for maintenance purposes including but not limited to remote site alarm reporting, communications necessary for fault location, and orderwire. not used to carry payload traffic
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