Excuse me. Inductive coupling means a couple of inductances interact with each other. This is the reason it is called "coupling". And yes, this interaction mea

Excuse me. Inductive coupling means a couple of inductances interact with each other. This is the reason it is called "coupling". And yes, this interaction means photons, depending of the frequency of the resonator of higher or lower frequency. They use a medium, a channel, the most efficient one is ferrite, but it could be the air, that usually it is very inefficient because the electromagnetic radiation escapes and is absorbed by other elements or just dissipated. You could improve efficiency making it use resonance, that is you trick your design so in normal circumstances you reuse the electromagnetic energy that is reflected by the geometry of the space. The problem (of all open systems instead of closed circuits)is what happens when your body acts as a lower impedance for this radiation than the medium. It could in fact absorb a big amount of energy on a very small amount of time. Geometry of the body is very complex, small parts of your body could resonate with some frequencies, and when there is noise like in transitories you add lots of frequencies.