The aim of this project is to create nanostructured infrared plasmonic antennas based on the repetition of a single sub-wavelength metal pattern (sub-lambda) forming the basic building block of an NxN matrix structure. We will design reconfigurable infrared sources by addressing a subset of the sub-lambda patterns making up the matrix antenna with visible laser heating forming specific patterns, in particular to control the polarization and spectral position of resonances with a view to creating smart reconfigurable infrared surfaces. We will describe the coupling between sub-lambda patterns using simulations based on the quasi-normal mode method. The use of a spatial light modulator will enable us to modify the spatial configuration of this laser heating on the antenna array. The result will be a reconfigurable light converter from visible to infrared. The experimental methods will combine infrared spatial modulation spectroscopy [Li2018,Abou_Hamdan2021], thermal radiation scanning tunneling microscopy [DeWilde2006] and TRSTM spectroscopy which has revealed non-planckian effects [Babuty2013].