Engineering modes in optical fibers with metamaterial

In this paper, we report a preliminary theoretical study on optical fibers with fine material inclusions whose geometrical inhomogeneity is almost indistinguishable by the operating wavelength.We refer to such fibers as metamaterial optical fibers, which can conceptually be considered as an extension from the previously much publicized microstructured optical fibers. Metamaterials can have optical properties not obtainable in naturally existing materials, including artificial anisotropy as well as graded material properties. Therefore, incorporation of metamaterial in optical fiber designs can produce a new range of fiber properties. With a particular example, we will show how mode discrimination can be achieved in a multimode Bragg fiber with the help of metamaterial. We also look into the mean field theory as well as Maxwell-Garnett theory for homogenizing a fine metamaterial structure to a homogeneous one. The accuracies of the two homogenization approaches are compared with fullstructure calculation.

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Min YAN, Niels Asger MORTENSEN, Min QIU. Engineering modes in optical fibers with metamaterial[J]. Frontiers of Optoelectronics, 2009, 2(2): 153. Min YAN1, Niels Asger MORTENSEN1, Min QIU2. Engineering modes in optical fibers with metamaterial[J]. Frontiers of Optoelectronics, 2009, 2(2): 153.

Engineering modes in optical fibers with metamaterial

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