Photonic Band Gap Guidance in Optical Fibers

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Science  20 Nov 1998:
Vol. 282, Issue 5393, pp. 1476-1478
DOI: 10.1126/science.282.5393.1476

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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.

  • * Visiting from the Department of Electromagnetic Systems, Technical University of Denmark, 2800 Lyngby, Denmark.

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