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Proceedings Paper

High-performance MMI devices with low-index contrast structure: analysis and design
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Paper Abstract

Improved approach to low-loss and high-uniformity MMI devices is proposed in this paper. The propagation constant error of guided modes in the MMI region is analyzed. An optimized index contrast is selected to decrease the propagation constant errors of those modes near cutoff. 1 X N MMI splitters designed by this means are analyzed by exact mode analysis. Results show that the loss and uniformity of this new structure are notably improved, especially when N is large. The loss of 0.0892 and uniformity of 0.0826 are acquired when N equals 32.

Paper Details

Date Published: 9 October 2000
PDF: 4 pages
Proc. SPIE 4225, Optical Interconnects for Telecommunication and Data Communications, (9 October 2000); doi: 10.1117/12.402721
Show Author Affiliations
Rui Yin, Zhejiang Univ. (China)
Xiaoqing Jiang, Zhejiang Univ. (China)
Jianyi Yang, Zhejiang Univ. (China)
Minghua Wang, Zhejiang Univ. (China)


Published in SPIE Proceedings Vol. 4225:
Optical Interconnects for Telecommunication and Data Communications

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