Optical switches are used to reconfigure wavelength cross-connects, enabling support for new light paths. Implementing this requires sophisticated software. Use 25+ X-Series applications to analyze, demodulate, and troubleshoot signals across wireless, aerospace/defense, EMI, and phase noise. Achieve fast, accurate board-level. Thorlabs' offers a selection of optical switches. Also available are. An optical switch, also known as an optical line switching device (automatic switching type optical patch panel), is a device that enables the network to be always connected. Any communication protocol (Ethernet, ATM, etc.