Fiber-optic switches are optical switches in the context of fiber optics. The simplest device is an on/off switch with one input and one output, which allows light to pass with low insertion loss when open, and blocks it completely (or at least causes high insertion loss) when. Fiber-optic switches control light paths within fiber optics, ranging from simple on/off types to complex matrix configurations like 64×64. They are used in a wide range of applications, including telecommunications, data centers, industrial automation, and military and aerospace. Fiber optic switches offer numerous advantages over traditional. Fiber optic technology is widely recognized for significantly advancing modern networking by enabling high-speed, low-latency, and interference-resistant communication across various applications. The fiber has a very small core diameter of approximately 8. Non-latching; 1xN, 2xN, NxM; Fiber Type SM, PM; 1250 to 1670 nm; Insertion Loss 0.