Planar 6 is a type of multi-layered, planar waveguide that is used in various optical applications. It consists of six layers, each designed to manipulate light in specific ways, allowing for efficient transmission and control of optical signals. This technology is often utilized in telecommunications and data transmission systems. The design of Planar 6 enables it to support multiple wavelengths of light simultaneously, making it suitable for high-capacity networks. Its compact structure allows for integration into smaller devices, enhancing performance while reducing space requirements in optical systems.