We study degenerate defect state splitting inside two-dimensional photonic crystal. Using group-theory analysis we find perturbation potentials that split the degeneracy most efficiently. Application of the effect in optical switch waveguide devices is presented.
© 2005 Optical Society of America
N. Malkova and C. Ning, "Electro-Optical Control of the Directional Switching Based on Degenerate State Splitting in Photonic Crystal," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2005), paper CTuL5.
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