Abstract
AbstractAn efficient finite‐difference time‐domain method is proposed for the full‐wave analysis of guided modes in photonic crystal fibers. The three‐dimensional hybrid guided modes can be calculated by a two‐dimensional mesh, if one assumes that the propagation constant along the z‐direction (propagation direction) is fixed. Furthermore, only real variables are used in the present method. Therefore, the computation time and computer memory are significantly reduced. The results for a honeycomb‐based silica–air photonic crystal fiber are in very good agreement with the results from the plane‐wave expansion method. © 2001 John Wiley & Sons, Inc. Microwave Opt Technol Lett 30: 327–330, 2001.
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