Title :
Reducing mode-transition loss in silicon-on-insulator strip waveguide bends
Author :
Shen, Hao ; Hkan, Maroof ; Xiao, Shijun ; Qi, Minghao
Author_Institution :
Sch. of Electr. & Comput. Eng. & Birck Nanotechnol. Center, Purdue Univ., West Lafayette, IN
Abstract :
Mode-transition loss in silicon-on-insulator strip waveguides is reduced from 0.019 dB/transition to 0.0046 dB/transition for a bending radius of 4.5 micrometer, by adding a gradual-transition curved waveguide to connect the bend section and straight section.
Keywords :
bending; integrated optics; optical losses; optical waveguides; silicon-on-insulator; Si; bending radius; gradual-transition curved waveguide; mode-transition loss; silicon-on-insulator strip waveguides; Optical losses; Optical resonators; Optical ring resonators; Optical waveguide components; Optical waveguides; Propagation losses; Silicon on insulator technology; Strips; Structural beams; Waveguide transitions; (220.4000) Microstructure fabrication; (230.5750) Resonators; (250.5300) Photonic integrated circuits;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
