Controlling the flow of light using the inhomogeneous effective gauge field that emerges from dynamic modulation.

1 2 N ov 2 01 3 Controlling the flow of light using inhomogeneous effective gauge field that emerges from dynamic modulation

We show that the effective gauge field for photons provides a versatile platform for controlling the flow of light. As an example we consider a photonic resonator lattice where the coupling strength between nearest neighbor resonators are harmonically modulated. By choosing different spatial distributions of the modulation phases, and hence imposing different inhomogeneous effective magnetic fi...

Controlling the flow of light using inhomogeneous effective gauge field that emerges from dynamic modulation: Supplementary Information

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The goal to achieve arbitrary control of photon flow has motivated much of the recent research on photonic crystals and metamaterials. As a new mechanism for controlling photon flow, we introduce a scheme that generates an effective magnetic field for photons. We consider a resonator lattice in which the coupling constants between the resonators are harmonically modulated in time. With appropri...