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00925njm 22002777a 4500 dc Sánchez-Postigo, Alejandro author Ginel-Moreno, Pablo author Ortega-Moñux, Alejandro author Wanguemert-Pérez, Juan Gonzalo author Halir, Robert author Pereira-Martín, Daniel author Hadij-El-Houati, Abdelfettah author Schmid, Jens H. author Wang, Shurui author Vachon, Martin author Xu, Dan-Xia author Ye, Winnie N. author Soler-Penades, Jordi author Nedeljkovic, Milos author Mashanovich, Goran Z. author Cheben, Pavel author Molina-Fernández, Íñigo author 2021-09 The use of subwavelength grating structures in silicon waveguides have fuelled the development of integrated optical components with superior performance. By a judicious lithographic pattern of the grating, the optical properties of the synthesized metamaterial can be accurately tailored. In this work, we review our latest advances in subwavelength-grating-engineered silicon and germanium planar devices. https://hdl.handle.net/10630/22873 Fibras ópticas Building high-performance integrated optical devices using subwavelength grating metamaterials