In this paper we present a new concept to control the energy transfer between two components using novel multiphasic nanostructured composites. The example studied here consists of two lasing dyes (Rhodamine-6G and trans-4-[p-(N-ethyl-N-(hydroxyethyl)amino)phenylstyryl]-N-(hydroxyethyl)pyridinium iodide (ASPI)), each of which resides in two different phases of a multiphasic composite. The energy transfer between these two phases was studied and found to be insignificant. Therefore, this composite exhibited lasing from both dyes. The multiphasic matrix was tunable through the range of both dyes from 560 to 610 nm with an efficiency of ∼7%. The lasing properties of this lasing media were studied compared to reference dye solutions. In the solution state a mixture dye solution exhibited complete quenching of one of the dyes (Rhodamine-6G). The quenching mechanism in the solution state and its lack in the solid state matrix is proposed. In addition, the new laser dye, ASPI, has been characterized by its linea...