An approach for obtaining strong directional selectivity through a single subwavelength slit in non-symmetric metallic gratings is shown theoretically and experimentally. Directionality effect originates from the different resonance frequencies of two interfaces.
© 2011 OSA
S. Cakmakyapan, H. Caglayan, A. Serebryannikov, and E. Ozbay, "Directional Selectivity through the Subwavelength Slit in Metallic Gratings," in CLEO:2011 - Laser Applications to Photonic Applications, OSA Technical Digest (CD) (Optical Society of America, 2011), paper JTuI67.
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