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The tunable micro-cavity based on one-dimensional(1D) photonic crystal doped by KTP is designed.The optical transmission properties in the doped one-dimensional defect photonic crystals are analyzed using transfer matrix method(TMM).According to the electro-optic effect,the refractive index ellipsoid equation is established with the applied alternating current at both coordinate axes,and the characteristics of temperature-optics and modulation are studied.Numerical calculations and experimental results show that the tuning range is ～40 nm.
The tunable micro-cavity based on one-dimensional (1D) photonic crystal doped by KTP is designed. The optical transmission properties in the one-dimensional defect photonic crystals are analyzed using transfer matrix method (TMM). Acted to the electro-optic effect, the refractive index ellipsoid equation is established with the applied alternating current current at both coordinate axes, and the characteristics of temperature-optics and modulation are studied. Numerical calculations and experimental results show that the tuning range is ~ 40 nm.