An optical communications system including a plurality of modulated radio frequency carriers which span more than an octave in bandwidth. In one implementation, the carriers are grouped into ranges which span less than octave in bandwidth and separately transmitted over uique optical links. In another...http://www.google.de/patents/US5191459?utm_source=gb-gplus-sharePatent US5191459 - Method and apparatus for transmitting broadband amplitude modulated radio frequency signals over optical links
