Roberts, P.J., Birks, T.A., Russell, P.St.J., Shepherd, T.J. and Atkin, D.M.
Two-dimensional photonic band-gap structures as quasi-metals
Optics Letters, 21, (7), . (doi:10.1364/OL.21.000507).
By considering waves that propagate out of the transverse plane, we show that common high index materials (eg GaAs) with a 2D array of air holes can act in some ways like a 3D photonic band-gap structure. In particular, we describe a dielectric "quasi-metal" that reflects all propagating light incident from free space.
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