Abstract

In this study, the effects of incident angle and state of wave polarization on electrically-tunable defect mode in a one-dimensional photonic crystal (1DPC) structure with an anisotropic defect layer is theoretically investigated. A 4×4 transfer matrix method is employed to calculate the transmittance spectrum of the structure with biased defect layer at different incident angles for TE and TM polarizations. The results indicate that at both polarizations, the peak wavelength of the defect mode shifts toward blue as the angle of incidence increases. Also, blue and red shifts can be observed in the defect mode for positive and negative biases, respectively. In addition, the defect mode compresses at TE (TM) polarization at negative (positive) biases and broadens for positive (negative) biases. A tunability defect mode may have potential application in the design of controllable optical filters in all optoelectronic devices.

© 2016 Optical Society of America

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