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Start Over Author "Xu, JiaMing" Journal applied physics letters
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4. Manipulating terahertz electromagnetic induced transparency through parallel plate waveguide cavities

Author

Xu Jiaming, Gao Chunmei, Xiaofei Zang, Lin Chen, Bin Cai, and Yiming Zhu

Subjects
Materials science, Physics and Astronomy (miscellaneous), Electromagnetically induced transparency, business.industry, Terahertz radiation, Physics::Optics, Resonance, Waveguide (optics), Parallel plate, Wavelength, Optics, Modulation, Astrophysics::Solar and Stellar Astrophysics, Optoelectronics, Degeneracy (mathematics), business
Abstract

To mechanically manipulate of electromagnetic induced transparency (EIT) in terahertz asymmetric parallel-plate waveguide cavities, the influence of waveguide spacing on the transmission response has been studied experimentally. After setting the appropriate shifting length between two cavities, we found with mechanically increasing the waveguide spacing, the symmetric resonance shows degeneracy when its wavelength is smaller than the waveguide spacing. An on-to-off modulation for symmetric resonance appeared in EIT can be observed with destructive interference broken. This control mechanism of EIT will open a door to design the tunable EIT devices.

Published
2013

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