Ultra-broadband unidirectional launching of surface plasmon polaritons by a double-slit structure beyond the diffraction limit
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Based on the near-field interference of two slit apertures in a subwavelength plasmonic waveguide, an ultra-broadband unidirectional SPP launcher beyond the diffraction limit was experimentally realized. This ultra-small SPP launcher has important applications in high-integration plasmonic circuits.
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2012 ◽
Vol 258
(19)
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pp. 7372-7376
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