An optical transmission apparatus for transmission of optical signals at an optical wavelength of about 1550 nanometers. The optical transmission apparatus includes a single mode optical fiber link formed of optical fiber having substantially zero dispersion at an optical wavelength of about 1300 nanometers...http://www.google.com/patents/US6476949?utm_source=gb-gplus-sharePatent US6476949 - Dispersion compensation in optical fibre transmission
