Wave Transmission in Dispersive Si-Based One Dimensional Photonic Crystal

Vipin Kumar, B. Suthar, Arun Kumar, Vinay Kumar, Kh. S. Singh, A. Bhargva, S. P. Ojha

AITTM, Amity University, Noida, India.
Department of Physics, Digamber Jain College, Baraut, India.
Department of Physics, Govt. College of Engineering & Technology, Bikaner, India.
Department of Physics, Janta Vedic College, Baraut, India.
IIMT, Greater Noida, India.

DOI: 10.4236/opj.2012.223036                

Abstract

Transmission of electromagnetic waves through a Si-based one dimensional photonic crystal has been investigated. The proposed structure works as an omni-directional reflector for a certain range of wavelength for an angle of incidence up to 55?. The structure works as a narrow band TM-polarization filter for an angle of incidence more than 55?, i.e. a filter which completely blocks TE-polarized waves but allows certain wavelengths of TM-polarized waves. But at an angle of incidence of 89?, the structure works as a multiple narrow band TM-polarization filter even though no defect layer is introduced inside the structure. It is also found that this multiple narrow pass-bands of TM-polarized waves can be tuned to a desired range of wavelength by changing the temperature of the structure.

Keywords

Photonic Crystals; Omni-Directional Reflection; Optical Filter

Conflicts of Interest

The authors declare no conflicts of interest.

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