PhotonIcs and Electromagnetics Research Symposium,
also known as Progress In Electromagnetics Research Symposium
PIERS Proceedings
Published: 2015-07-09
Achieving Tunable Mode Splitter and Omnidirectional Absorber by Semiconductor Photonic Crystal
By
Proceedings of 2015 Photonics & Electromagnetics Research Symposium, Prague, July 6 - 9,Page(s)469-472
Abstract
The properties of one-dimensional (1D) photonic crystals (PCs) composed of the semiconductor (GaAs) and dielectric layers are theoretically investigated by the transfer matrix method (TMM). Due to the Voigt effect, the dielectric constant of the semiconductor could be modified in different modes and frequency ranges. If the frequency range of the incident wave is larger than the plasma frequency, TE and TM modes of the incident wave will be absorbed in a wide incident angle. TM wave will be absorbed but TE wave will be reflected while the frequency range is less than the plasma frequency. By varying the external magnetic field, the absorption of semiconductor can be tuned. The proposed PCs have a reconfigurable application to design a tunable omnidirectional absorber and mode splitter at same time.
Citation
Bo-Rui Bian, Guowen Ding, Xiang-Kun Kong, Hai-Ming Li, Shaobin Liu, and Hai Feng Zhang, "Achieving Tunable Mode Splitter and Omnidirectional Absorber by Semiconductor Photonic Crystal," Proceedings of 2015 Photonics & Electromagnetics Research Symposium, Prague, July 6 - 9,Page(s)469-472
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