J. Wangüemert-Pérez, José Manuel Luque-González, C. Pérez-Armenta, R. Halir, J. Schmid, M. Dado, J. Litvik, P. Cheben, Í. Molina-Fernández, A. Ortega-Moñux
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Bricked patterning: a new concept to enhance the capabilities of subwavelength grating waveguides
In this work we present the bricked subwavelength grating waveguide, a new topology capable of synthesizing metamaterials with lithographic control over anisotropy and dispersion. Experimental results in 2x2-90º couplers demonstrate its potential to design ultra-broadband and polarization management devices with practical feature sizes.