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Two-dimensional complex parity-time-symmetric photonic structures

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Date
2015-02
Author
Turduev, M.
 Botey, M.
 Giden, I.
Herrero, R.
Kurt, Hamza
 Ozbay, E.
 Staliunas, K.
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Abstract
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. © 2015 American Physical Society.
URI
https://journals.aps.org/pra/abstract/10.1103/PhysRevA.91.023825
http://hdl.handle.net/20.500.11851/1350
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  • Elektrik ve Elektronik Mühendisliği Bölümü / Department of Electrical & Electronics Engineering

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