Photonic band gap guidance in optical fibers |
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| Authors: | JC Knight J Broeng TA Birks PSJ Russell |
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| Institution: | Optoelectronics Group, Department of Physics, University of Bath, Claverton Down, Bath BA2 7AY, UK. |
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| Abstract: | A fundamentally different type of optical waveguide structure is demonstrated, in which light is confined to the vicinity of a low-index region by a two-dimensional photonic band gap crystal. The waveguide consists of an extra air hole in an otherwise regular honeycomb pattern of holes running down the length of a fine silica glass fiber. Optical fibers based on this waveguide mechanism support guided modes with extraordinary properties. |
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