A one-way terahertz plasmonic waveguide based on surface magneto plasmons in a metal-dielectric-semiconductor structure
A novel one-way-propagating terahertz plasmonic waveguide at a subwavelength scale is proposed based on a metal-dielectric-semiconductor structure. Unlike one-way plasmonic devices based on interference effects of surface plasmons, the proposed one-way device is based on nonreciprocal surface magnet...
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| Main Authors: | , , |
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| Other Authors: | |
| Format: | Conference or Workshop Item |
| Language: | English |
| Published: |
2013
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| Online Access: | https://hdl.handle.net/10356/106824 http://hdl.handle.net/10220/17928 http://dx.doi.org/10.1109/INEC.2013.6466046 |
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| Institution: | Nanyang Technological University |
| Language: | English |
| Summary: | A novel one-way-propagating terahertz plasmonic waveguide at a subwavelength scale is proposed based on a metal-dielectric-semiconductor structure. Unlike one-way plasmonic devices based on interference effects of surface plasmons, the proposed one-way device is based on nonreciprocal surface magneto plasmons under an external magnetic field. Theoretical and simulation results demonstrate that the waveguide has a broadly tunable one-way-propagating frequency band by the external magnetic fields. The proposed one-way device can be used to realize various high performance tunable plasmonic devices such as isolators, switches and splitters for ultracompact integrated plasmonic circuits. |
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