Quantum rod emission coupled to plasmonic lattice resonances: A collective directional source of polarized light

We demonstrate how an array of optical antennas may render a thin layer of randomly oriented semiconductor nanocrystals into an enhanced and highly directional source of polarized light. This is accomplished by designing the array to sustain collective plasmonic lattice resonances which are in spectral overlap with the emission of the nanocrystals over narrow angular regions. Consequently, different frequencies of visible light are enhanced and beamed into definite directions.