Broadband and Wide-angle Cascaded Slits Antenna for Coupling Surface Plasmons with Ultra-high Extinction Ratio

Dalin Liu,Anshi Xu

Broadband and Wide-angle Cascaded Slits Antenna for Coupling Surface Plasmons with Ultra-high Extinction Ratio

2015

Dalin Liu
Anshi Xu

A novel scheme to realize compact unidirectional plasmonic antenna with ultra-high extinction ratio ER=43.1 dB and broadband of 200 nm covering a wide angular range from -17o to 15o with ER>10 dB is proposed.

Keywords:

Surface plasmon
Extinction ratio
Plasmon
Broadband
Optoelectronics
Optics
Coupling
Materials science
Signal processing
Interference (wave propagation)
Surface plasmon polariton

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