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Similar to the hybridization of three atoms, three coupled resonatorsinteract to form bonding, anti-bonding and non-bonding modes. The non-bondingmode enables an electromagnetic induced transparency like transfer of energy.Here the non-bonding mode, resulting from the strong electric coupling of twodielectric resonators and an enclosure, is exploited to show that it isfeasible to transfer power over a distance comparable to the operatingwavelength. In this scheme, the enclosure acts as a mediator. The strongcoupling permits the excitation of the non-bonding mode with high purity. Thisapproach is different from resonant inductive coupling which works in thesub-wavelength regime. Optimal loads and the corresponding maximum efficiencyare determined using two independent methods: Coupled Mode Theory and Circuitmodelling. It is shown that, unlike resonant inductive coupling, the figure ofmerit depends on the enclosure quality and not on the load, which emphasizesthe role of the enclosure as a mediator. Briefly after the input excitation isturned on, the energy in the receiver builds up via all coupled and spuriousmodes. As time elapses, all modes except the non-bonding cease to sustain. Dueto the strong coupling between the dielectrics and the enclosure, such systemshave unique properties such as high and uniform efficiency over largedistances; and minimal fringing fields. These properties suggest thatelectromagnetic induced transparency like schemes which rely on the use ofdielectric resonators can be used to power autonomous systems inside anenclosure or find applications when exposure to the fields needs to be minimal.Finite Element computations are used to verify the theoretical predictions bydetermining the transfer efficiency, fields profile and coupling coefficientsfor two different systems.

An Electromagnetic Induced Transparency-like Scheme for Wireless Power Transfer Using Dielectric Resonators