On-chip Nanoplasmonics: The refractive index of metals is very high, so the wavelength of the optical modes is very short. CUDOS is developing novel techniques to fabricate nano-structured composites of metals and optically transmitting materials. They are investigating novel modes of light propagation in these materials and use them to create ultracompact devices like transmission lines and antennae. The vision of this project is to develop three- and two-dimensional nanoplasmonic structures that can allow unprecedented control of light at the sub wavelength scale.