Physical Understanding of Unidirectional or Magnetic Photonic Crystals

Pursue a physical understanding of the electrodynamics of nonreciprocal composite metamaterials and how they can be used to realize antennas with miniaturization, high efficiency, gain and directivity. This will include studies of the physical realization of the constitutive tensors forming the crystal and the identification of components among available magnetic and dielectric materials, analytical studies of simple antennas and propagation studies within the crystal. We will also consider the sensitivity of the (uni-directional) UD phenomenon as relates to the various dimensions. A goal is to understand the means for achieving bandwidth enhancement not just by varying the applied magnetic field, but by also considering alternative crystal geometries, possibly with defects.

Research Area 2: Numerical Algorithms for Complex Materials (Metamaterials, Exotic Crystals)

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