광통신용 광소자의 결합효율 분석을 위한 최적의 입력광원 모델링

초록

Finite ray tracing has been utilized for the characteristic analysis and the optimal design of micro-optic devices. An incident beam, which enters into the devices through the input optical fiber, has to be represented as finite rays. In this paper, two kinds of modeling method such as the annular modeling and the cell modeling were introduced and compared with each other. It was found from the comparison that the later would be more accuracy and efficient than the former. Based on the cell modeling method, we analyzed coupling efficiency of the thin-film filter type micro-optic device used as a wavelength division multiplexer in optical communication system.