II-VI is a leading provider of state-of-the-art EDFAs, Raman amplifiers and optical monitoring devices for all network segments (access, metro, regional and long haul) and for all network applications (telecom, cable and enterprise). II-VI offers innovative solutions for many of the industry’s most pressing challenges. II-VI's product portfolio includes the UltraSpan® product family, EDFA and Raman Modules, and a Low Latency Product Suite.