Journal of Applied Optics, Volume. 46, Issue 2, 276(2025)
Compact beam splitter with tapered multi-mode interference structures
Figures & Tables(8)
Fig. 1. Schematic diagram of proposed 1×2 MMI beam splitter structure
Fig. 2. Normalized transmission coefficients of 1×2 beam splitter versus variables
Fig. 3. Simulation results of normalized electric field intensity distribution in beam splitters when operated wavelength λ is 1 550 nm
Table 1. Performance comparison with reported multi-mode interference beam splitter
View tableView in ArticleTable 1. Performance comparison with reported multi-mode interference beam splitter
Design methods Insertion loss/dB Device length/µm Reference Adiabatic tapers 0.18 78 [ 6 ]Subwavelength structure 1 3.75 [ 25 ]MZI 0.5 200 [ 26 ]MMI 0.414 23.8 this work
Table 2. Optimized parameters of 1×2 MMI-based beam splitter
View tableView in ArticleTable 2. Optimized parameters of 1×2 MMI-based beam splitter
参数 Ltaper LMMI g 指标 /μm 10 2 20 3.8 0.5
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Zongsheng CHEN, Zhigang LI, Yajing CHANG, Yahui WANG, Xuesong DENG, Liping LIU. Compact beam splitter with tapered multi-mode interference structures[J]. Journal of Applied Optics, 2025, 46(2): 276
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Received: Sep. 26, 2024
Accepted: --
Published Online: May. 13, 2025
The Author Email: Liping LIU (刘丽萍)
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