Optical Amplifier

An optical amplifier is a device that boosts the strength of light signals traveling through optical fibers, which are used in telecommunications. As light signals travel long distances, they can weaken, much like how a whisper fades away. Optical amplifiers work by using certain materials, like rare-earth elements, to increase the intensity of the light without converting it to electricity and back. This allows for clearer and longer data transmission, which is essential for high-speed internet, TV, and phone services, enabling efficient communication over vast distances.