Ultracompact and broadband mid-infrared polarization beam splitter based on an asymmetric directional coupler consisting of GaAs–CaF2 hybrid plasmonic waveguide and GaAs nanowire
Sign Up to like & getrecommendations! Published in 2021 at "Optics Communications"
DOI: 10.1016/j.optcom.2021.127418
Abstract: Abstract In this paper, an asymmetric directional coupler (DC) based on a GaAs–CaF2 hybrid plasmonic waveguide (HPW) and a GaAs nanowire (NW) is designed for the mid-infrared polarization beam splitter (PBS). The mode characteristics of… read more here.
Keywords: mode; gaas caf2; gaas; polarization ... See more keywords
Mode Conversion Trimming in Asymmetric Directional Couplers Enabled by Silicon Ion Implantation
Sign Up to like & getrecommendations! Published in 2024 at "Nano Letters"
DOI: 10.1021/acs.nanolett.4c02065
Abstract: An on-chip asymmetric directional coupler (DC) can convert fundamental modes to higher-order modes and is one of the core components of mode-division multiplexing (MDM) technology. In this study, we propose that waveguides of the asymmetric… read more here.
Keywords: mode conversion; silicon ion; ion implantation; asymmetric directional ... See more keywords
Design of a C-band polarization rotator-splitter based on a mode-evolution structure and an asymmetric directional coupler
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Semiconductors"
DOI: 10.1088/1674-4926/39/12/124008
Abstract: A C-band polarization rotator-splitter based on a mode-evolution structure and an asymmetric directional coupler is proposed. The mode-evolution structure is designed in a bi-level taper through which the TM0 mode can evolve into the TE1… read more here.
Keywords: evolution structure; mode; mode evolution; band ... See more keywords