… silicon waveguide crossings. It reviews several classical structures in silicon waveguide
crossing … interference, subwavelength grating, holey subwavelength grating and vertical …

… Subwavelength structures such as subwavelength gratings (… Some of the subwavelength
structured waveguide crossings … μm from the junction with silicon wire waveguide, respectively. …

… The shaped taper polarization-insensitive waveguide crossing … silicon waveguide crossing
based on subwavelength grating (SWG) MMI couplers is proposed. The simulated crossing …

… of the subwavelength grating (SWG) waveguides are … in the subwavelength grating (SWG)
waveguides based devices for … , couplers, suspended membrane waveguides for mid-infrared …

… Graded-index devices [53], such as Luneberg lenses [54], constitute another interesting
approach to design crossings. While these components have been demonstrated using periodic …

… using subwavelength grating (SWG) waveguides in SOI and in particular, waveguide Bragg
grating (… In a subsequent work, SWG waveguide crossings with a loss as low as −0.023 dB/…

… waveguide devices such as waveguide tapers and crossings. … Luneburg lens with
subwavelength grating metamaterial [49,… medium with the subwavelength grating structure shown …

… converter and mux/demux exploiting subwavelength grating (SWG) metamaterial engineering
[31]. SWG nanostructures were first demonstrated in Si wire waveguides by Cheben et al. […

… Since metamaterial-engineered waveguide structures have … of silicon wire waveguides with
subwavelength grating (SWG) … silicon waveguide crossing based on subwavelength grating …

… Recently, subwavelength grating (SWG) waveguides in SOI, which consist of a periodic …
For example, SWG waveguide crossings show low loss and low crosstalk compared to their …