Fiber-optic communication systems have revolutionized the telecommunications industry and, due to advantages over electrical transmission, have largely replaced copper wire communications. This 170 pages book provides a comprehensive overview of fiber-optic communication systems. All chapters have been updated, and material has been restructured to be better suited as a reference for a course on optical communications. Students and researchers alike will benefit from the extensive pedagogical aids, including: - Extensive reference lists. - A survey of recent research material for each topic. A solution to the chromatic dispersion compensation problem using Talbot Effect was proposed & simulation results are presented.