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Opt Lett. 2006 Jan 1;31(1):101-3.

Giant lateral shift of a light beam at the defect mode in one-dimensional photonic crystals.

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  • 1Institute of Optics, Department of Physics, Zhejiang University, Hangzhou 310027, China.


It is found that when a light beam is incident on a one-dimensional photonic crystal (1DPC) containing a defect layer, the lateral shifts of both the reflected and the transmitted beams are greatly enhanced near the defect mode of the 1DPC, whose location depends on the angles at a fixed frequency. The effect was studied by use of a Gaussian beam. The giant lateral displacement is due to the localization of the electromagnetic wave.

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