A pulse compressor for solitons includes a continuous dispersive non-linear propagation structure so constructed so that the wavefront of an individual soliton pulse is steepened. In addition, the pulse compressor has a continuously reduced time constant on a spatial, as opposed to a temporal basis....http://www.google.fr/patents/US5066928?utm_source=gb-gplus-shareBrevet US5066928 - Soliton pulse compressor
