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Analysis of Arrayed Waveguide Grating Waveglength Filter using Wide Angle Beam Propagation Method  

Park, Jun-O (광운대학교 전자공학부 전자통신공학과)
Jeong, Yeong-Cheol (광운대학교 전자공학부 전자통신공학과)
Publication Information
Journal of the Institute of Electronics Engineers of Korea SD / v.39, no.2, 2002 , pp. 46-55 More about this Journal
Abstract
The key component to accomplish the WDM all optical network is an Arrayed Waveguide Grating(AWG) wavelength filter Numerical analysis is necessary for design and analysis of optical components like AWG wavelength filter. Beam Propagation Method(BPM) is the most widely-used method. In this paper, we analyze the difference between the paraxial BPM and the WA-BPM when they are applied to the analysis of InP/InGaAsP/InP AWG wavelength filter. The paraxial BPM is based on paraxial approximation, and the WA-BPM is based on the low order Pade approximant. The side lobe level(SLL) and insertion loss calculated from both methods are compared. The high order Pade approximant will to used to more accurate design and analysis of AWG.
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