Two-dimensional complex parity-time-symmetric photonic structures

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Turduev M., Botey M., Giden I., Herrero R., Kurt H., Ozbay E., ...More

Physical Review A - Atomic, Molecular, and Optical Physics, vol.91, no.2, 2015 (SCI-Expanded) identifier identifier


© 2015 American Physical Society.We propose a simple realistic two-dimensional complex parity-time-symmetric photonic structure that is described by a non-Hermitian potential but possesses real-valued eigenvalues. The concept is developed from basic physical considerations to provide asymmetric coupling between harmonic wave components of the electromagnetic field. The structure results in a nonreciprocal chirality and asymmetric transmission between in- and out-coupling channels into the structure. The analytical results are supported by a numerical study of the Bloch-like mode formations and calculations of a realistic planar semiconductor structure.