He is currently professor at ORGANIZATION@1 in Orsay and scientific director of a joint laboratory -LRB- ` Unité mixte de recherche ' -RRB- between the Centre national de la recherche scientifique -LRB- ORGANIZATION@2 -RRB- and ORGANIZATION@3 .

He is a professor at ORGANIZATION@1 in Orsay and scientific director of a laboratory called Unité mixte de recherche . The laboratory is part of the Centre national de la recherche scientifique -LRB- ORGANIZATION@2 -RRB- and ORGANIZATION@3 .
