Title :
Compact polarization beam splitter based on a bridged silicon nanowaveguide coupler
Author :
Dong Wook Kim ; Yudeuk Kim ; Heung-sun Jeong ; Moon Hyeok Lee ; Kyong Hon Kim ; Sang Chul Jeon ; Dong Eun Yoo ; Ki Nam Kim
Author_Institution :
Dept. of Phys., Inha Univ., Incheon, South Korea
Abstract :
We propose a polarization beam splitter (PBS) based on a bridged silicon nanowaveguide directional coupler. The device is designed via 3D-FDTD simulation, and demonstrated experimentally. The measured polarization extinction ratio and the insertion loss of the PBS with 7.5-μm-long coupling length and 550 nm-wide bridged waveguides width are about 22 dB and 2 dB, respectively, for a TE-mode optical beam input.
Keywords :
elemental semiconductors; light polarisation; nanophotonics; optical beam splitters; optical directional couplers; optical losses; silicon; 3D-FDTD simulation; Si; TE-mode optical beam input; bridged silicon nanowaveguide coupler; compact polarization beam splitter; insertion loss; polarization extinction ratio; size 7.5 mum to 550 nm; Couplings; Loss measurement; Optical beams; Optical device fabrication; Optical waveguides; Semiconductor device measurement; Silicon; Polarization Beam Splitter (PBS); Waveguide;
Conference_Titel :
Optical Internet 2014 (COIN), 2014 12th International Conference on
Conference_Location :
Jeju
DOI :
10.1109/COIN.2014.6950600
