Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
848478 | Optik - International Journal for Light and Electron Optics | 2014 | 4 Pages |
Abstract
A thermally controlled multiband, mode-switching plasmonic filter with periodic subwavelength metal asterisk-shaped air hole arrays has been proposed in the terahertz range. Utilizing the changing properties to terahertz wave propagating on the metal-semiconductor interface and in the semiconductor InSb at varying temperature, thermally controlled multiband, mode-switching plasmonic filter owns an excellent tuning ability to terahertz wave. The simulation results show that the maximum transmittance of the structure is 99.8% at 434 GHz, 80 K, the bandwidths at 80 K are 56 GHz at 0.434 THz, 14 GHz at 944 GHz and maximum intensity modulation depth could reach to 99.8% at 434 GHz between 80 K and 373 K.
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Authors
Jiawei Sui, Lishuang Feng,