| abstract |
The invention relates to a photorefractive composition comprising a polymer prepared by living radical polymerization, this polymerization being carried out using a monomer, a polymerization initiator, a catalyst based on transition metal and a a ligand capable of reversibly forming a complex with the transition metal catalyst, the polymer comprising at least one repeating unit containing an entity with charge transport property and a repeating unit containing a entity with non-linear optical property. |