1 April 2006 General imaging properties of two-dimensional multimode interference couplers
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Optical Engineering, 45(4), 044602 (2006). doi:10.1117/1.2190247
Abstract
Based on the guided-mode propagation analysis method and the self-imaging effect, the general imaging properties of the two-dimensional multimode interference coupler (2-D MMI) are generalized and discussed. The general formulas for the positions, intensities, and phases of the self-images, and for image overlap in 2-D MMIs are derived. The numbers, positions, intensities, and phases of the self-images are directly related to the position of the input field and the positional number. The self-imaging properties of 2-D MMIs can be regarded as the interference superposition of two orthogonal one-dimensional self-imaging effects. These results are verified by guided-mode propagation analysis.
Xiaoqing Jiang, Yiling Sun, Jianyi Yang, Minghua Wang, "General imaging properties of two-dimensional multimode interference couplers," Optical Engineering 45(4), 044602 (1 April 2006). https://doi.org/10.1117/1.2190247
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