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http://dx.doi.org/10.3807/KJOP.2002.13.1.038

The analysis of error characteristics in self-imaging and improved optimization of waveguide structure for multi-mode interference devices  

홍정무 (인하대학교 정보통신공학부)
오범환 (인하대학교 정보통신공학부)
이승걸 (인하대학교 정보통신공학부)
이일항 (인하대학교 정보통신공학부)
우덕하 (한국과학기술연구원 광기술연구센터)
김선호 (한국과학기술연구원 광기술연구센터)
Publication Information
Korean Journal of Optics and Photonics / v.13, no.1, 2002 , pp. 38-43 More about this Journal
Abstract
Simple principles of self-imaging in Multi-Mode Interference (MMI) devices are based on the approximation of propagation constants. The analysis of the basic nature of the self-imaging principle reveals the problems of previous optimization methods, and provides a new scheme to optimize the external variables for the reconciliation of approximation problems by considering two different tendencies of approximation effects. Furthermore, the representative mode method is proposed to make the application easy. This optimization method provides an essential method for stable design and fabrication of MMI devices with improved characteristics.
Keywords
integrated optics/waveguide(OE.010);
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