Optical circulator
= Optical circulator
{wiki=Optical_circulator}
An optical circulator is a multi-port device used in optical fiber networks that allows light to travel in a specific direction while preventing light from traveling in the opposite direction. Essentially, it is a non-reciprocal device that routes incoming light from one port to another while isolating it from the reverse path. \#\#\# Key Features: 1. **Ports**: An optical circulator typically has three or more ports.