Optically activated energy transfer: array implementation

By suitably configuring an arrangement of transition dipoles, it proves possible to design parallel planar arrays of optical donor and acceptor particles such that the transfer of energy from any single donor, to its counterpart in the opposing plane, can be switched by throughput laser radiation of an appropriate intensity, frequency and polarization. As the resonance energy transfer is itself mediated electromagnetically, the device operates as an optical transistor based on laser-assisted energy transfer.