Wednesday, September 10, 2014

Ultra-broadband unidirectional launching of surface plasmon polaritons by a double-slit structure beyond the diffraction limit




Nanoscale , 2014, Advance Article

DOI: 10.1039/C4NR02938K, Paper

Jianjun Chen, Chengwei Sun, Hongyun Li, Qihuang Gong

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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