• Designing anisotropy with waveguide subwavelength structures 

      Herrero-Bermello, Alaine; Velasco, Aitor; Schmid, Jens; Cheben, Pavel; Halir, Robert; [et al.] (2018-07-12)
      Silicon sub-wavelength structures have become a versatile design tool for practical, high-performance integrated optical devices, ranging from highly efficient grating couplers to ultra-broadband beam-splitters. Recently, ...
    • Subwavelength metamaterial for communications and sensing 

      Wanguemert-Perez, Juan Gonzalo; Sanchez Postigo, Alejandro; Hadij-ElHouati, Abdelfettah; Pereira-Martin, Daniel; Luque-González, José Manuel; [et al.] (2018-10-29)
      Silicon photonics is considered a breakthrough technology with strong impact in areas as diverse as data center interconnection, high performance computing, the deployment of 5G future communication systems or lab-on-a-chip ...
    • Subwavelength metamaterial structures for silicon photonics 

      Wanguemert-Perez, Juan Gonzalo; Sanchez-Postigo, Alejandro; Luque-González, Jose Manuel; Sarmiento-Merenguel, Jose Darío; Halir, Robert; [et al.] (Photonics North, 2017)
      Sub-wavelength periodic metamaterial structures are enabling the design of silicon photonic devices with unprecedented performance in the near infrared band. However, for applications in the promising mid-infrared band it ...
    • Tilted subwavelength gratings: controlling anisotropy in metamaterial nanophotonic waveguides 

      Luque González, J. Manuel; Herrero-Bermello, Alaine; Ortega-Moñux, Alejandro; Molina Fernández, Íñigo; Halir, Robert; [et al.] (2018-10-24)
      Subwavelength grating (SWG) structures are an essential tool in silicon photonics, enabling the synthesis of metamaterials with a controllable refractive index. Here we propose, for the first time to the best of our ...