I was just reading about the fast radio bursts scientists are watching to determine their origin. It got me thinking about what ways we might come up with to signal our presence to an intelligent extraterrestrial species. It suddenly occurred to me that our own sun is a giant signaling device, basically a lighthouse. Our own scientists monitor the interplay of distant stars and their planets to get a sense of where habitable planets might be. What if we could build something large or powerful enough that could orbit the sun (or remain stable on one side of the sun) and manipulate or alter any sunlight that passes through it to produce an amplified and/or recognizable signal to a distant alien species with radio technology that another intelligent species (us) is creating it that signal? Could a ring of densely packed laser beams forming a large lens for sunlight to pass through produce any detectible effect? In other words, turning the lasers on and off at assigned intervals to produce a message? (The benefit of deploying this device (or any other device for signaling we can think of) close to the sun is we can use the sun's immense energy to power it. ) If lasers wouldn't work, is there anything that would which we can build now or in the near future?