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29 September 2014 PT symmetry in optics and photonics
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PT-symmetric optical structures represent a new generation of artificial optical systems which utilize gain and loss in a balanced fashion in order to perform a desired task. Such non-Hemitian arrangements exhibit interesting properties which are otherwise unattainable in passive Hermitian systems. As a result, since the first experimental demonstration of PT-symmetry in coupled optical configurations, there has been a flurry of activities in understanding and utilizing PT-symmetric processes in optics. Here we review recent developments in the newly emerging field of PT-symmetric optics.
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Demetrios N. Christodoulides and Mohammad-Ali Miri "PT symmetry in optics and photonics", Proc. SPIE 9162, Active Photonic Materials VI, 91621P (29 September 2014);


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