Acta Photonica Sinica, Volume. 49, Issue 2, 0213002(2020)
Simultaneous Low Nonlinearity and High Power Confinement in Slot Waveguides
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Fig. 2. The power distributions, effective mode area, nonlinear coefficient and mode profiles as a function of
Fig. 3. Dependences of the mode profiles, the normalized intensity in the slot and the power confinement factor on
Fig. 4. Variations of the effective mode area and nonlinear coefficient with
Fig. 5. Normalized intensity in the slot for different thicknesses of the silicon arms
Fig. 6. Dependences of the power confinement factor and the nonlinear coefficient on
Fig. 7. Mode profiles in log scale for the air-cladding and the silica-cladding slot waveguides
Fig. 8. Effect of the slot width on the normalized intensity, the power confinement factor andthe nonlinear coefficient of the silica-cladding slot waveguide
Table 1. Performances of the nonlinearity and the power confinement for different slot waveguides
View tableView in ArticleTable 1. Performances of the nonlinearity and the power confinement for different slot waveguides
Structure Parameters Performances Ref. Cladding W slot/nmt /nmγ /(W-1·m-1)Γ * These data are calculated based on the information derived from Ref. [ 21 ]. And the missing value for the triple-slot waveguide is due to the lack of structural parameters.Single-slot waveguide Silica 100 500 11.28 43% In this work 120 9.21 43% 140 7.73 43% 160 6.63 43% 180 5.78 43% 200 5.10 43% 220 4.57 42% 240 4.12 42% Single-slot waveguide Air 100 500 16.11 40%* [ 21 ]Double-slot waveguide 50/50 6.77 48%* [ 21 ]Triple-slot waveguide 50/50/50 4.66 — [ 21 ]
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Shu-bo HU, Ya-meng XU, Jia-xuan LI, Mei KONG. Simultaneous Low Nonlinearity and High Power Confinement in Slot Waveguides[J]. Acta Photonica Sinica, 2020, 49(2): 0213002
Paper Information
Received: Sep. 20, 2019
Accepted: Dec. 13, 2019
Published Online: Mar. 19, 2020
The Author Email: XU Ya-meng (yamengxu@cust.edu.cn)
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