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Unidirectional invisibility and non-reciprocal transmission in two and three dimensions

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Loran, Farhang

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We explore the phenomenon of unidirectional invisibility in two dimensions, examine its optical realizations and discuss its three-dimensional generalization. In particular, we construct an infinite class of unidirectionally invisible optical potentials that describe the scattering of normally incident transverse electric waves by an infinite planar slab with refractive-index modulations along both the normal directions to the electric field. A by-product of this investigation is a demonstration of non-reciprocal transmission in two dimensions. To elucidate this phenomenon, we state and prove a general reciprocity theorem that applies to quantum scattering theory of real and complex potentials in two and three dimensions.

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Royal Soc Chemistry

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Multidisciplinary sciences

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Proceedings of The Royal Society A-Mathematical Physical and Engineering Sciences

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10.1098/rspa.2016.0250

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