Silicon semiconductors are used in short-wavelength receivers with a range of 400 nm to 1100 nm. 1 While each RXM Series model is designed and intended for operation over the specified wavelength range shown by the solid colored regions, each will respond with reduced performance to optical inputs at shorter wavelengths, as shown by the partially transparent regions. Our engineers and. Our broad offering spans wavelength ranges from UV to short-wave IR for free-space and fiber-coupled configurations in many versions: high-speed, general-purpose, balanced, ultralow-light-level and large-area. With a wide variety of standard, custom, and OEM versions, we have the broadest selection. Fiber-optic communication is a form of optical communication for transmitting information from one place to another by sending pulses of infrared or visible light through an optical fiber. The light is a form of carrier wave that is modulated to carry information. Fiber is preferred. by the Space Development Agency (SDA) and its partners. The scope of optical communication links supported includes space-to-space (S2S, a. Our experience in leading-edge technology allows us to provide products that easily integrate within customers' systems.