Journal
APPLIED PHYSICS LETTERS
Volume 108, Issue 2, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4939915
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- Samsung Electronics
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We introduce a distinct class of dynamic non-reciprocal meta-surfaces with arbitrary phasereconfigurability. This meta-surface consists of an array of meta-atoms, each of which is subject to temporal refractive index modulation, which induces photonic transitions between the states of the meta-atom. We show that arbitrary phase profile for the outgoing wave can be achieved by controlling the phase of the modulation at each meta-atom. Moreover, such dynamic meta-surfaces exhibit non-reciprocal response without the need for magneto-optical effects. The use of photonic transition significantly enhances the tunability and the possible functionalities of meta-surfaces. (C) 2016 AIP Publishing LLC.
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