An optical switch is a device that can selectively switch an optical signal from one path to another. The basic principle behind an optical switch is to control the direction of light propagation through various mechanisms, such as mechanical movement, electro-optic effects, or. 📦 For purchasing, use the RP Photonics Buyer's Guide for optical switches. This technology allows for high bit rate transmission to be switched between various optical lines. With extra memory and storage, these enhanced NPBs run Keysight's AI security and performance monitoring software and AI stack. They're a core component in fiber-optic networks, where data travels as pulses of light through glass fibers.