Design of Low-Loss Compact 90Â° Bend Optical Waveguide for Photonic Circuit Applications in SOI Platform

Author

Navalakhe, Rupesh Kumar ; DasGupta, Nandita ; Das, Bijoy Krishna

Author_Institution

Dept. of Electr. Eng., IIT Madras, Chennai

fYear

2008

fDate

8-10 Dec. 2008

Firstpage

1

Lastpage

5

Abstract

The modal transition loss between straight and 90deg bend rib waveguide structures on Silicon-on-Insulator platform have been optimized with the simulated results using Finite Element Method (FEM) and Beam Propagation Method (BPM). We have studied different asymmetric configurations to minimize the radius of curvature of bend waveguide. The simulation results shows that a 90deg bend waveguide is possible with a bending radius as low as 800 mum keeping the loss budget to ~1 dB.

Keywords

finite element analysis; integrated optics; optical waveguides; rib waveguides; silicon-on-insulator; SOI platform; beam propagation method; finite element method; low-loss compact bend optical waveguide; modal transition loss; photonic circuit applications; silicon-on-insulator; Circuit simulation; Finite element methods; Optical design; Optical losses; Optical propagation; Optical waveguides; Optimization methods; Propagation losses; Silicon on insulator technology; Waveguide transitions; Asymmetric Rib Waveguide; Integrated optics; Silicon-On-Insulator (SOI); Transition loss;

fLanguage

English

Publisher

ieee

Conference_Titel

Industrial and Information Systems, 2008. ICIIS 2008. IEEE Region 10 and the Third international Conference on

Conference_Location

Kharagpur

Print_ISBN

978-1-4244-2806-9

Electronic_ISBN

978-1-4244-2806-9

Type

conf

DOI

10.1109/ICIINFS.2008.4798423

Filename

4798423