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Science. 1998 Nov 20;282(5393):1476-8.

Photonic band gap guidance in optical fibers

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Optoelectronics Group, Department of Physics, University of Bath, Claverton Down, Bath BA2 7AY, UK.


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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