XLIM UMR CNRS 7252 is a Mixed Research Unit of the University of Limoges and the CNRS, which combines more than 460 research lecturers, researchers of the CNRS, administrative staff and PhD students in computer science, mathematics, photonics, electro-magnetism and electronics.

The laboratory was created by merging four laboratories: LACO, LMSI, UMOP and IRCOM.

In March 2011, XLIM was retained among the 100 award-winners of the “Laboratories of excellence” call. XLIM together with SPCTS UMR 7315 laboratory are associated in LABEX Sigma-LIM.

The main disciplines are based on departments conducting specific research projects in their fields of expertise.