Wideband-Efficient SOI Uniform Subwavelength Grating Couplers by Effective-Index and Leakage-Factor Matching at Multiple Wavelengths by Wanzhen Hu, Huang Shiyuan, Citrin Scott David, Hao Long, Chunyong Yang, Shaoping Chen, Jin Hou

“…Using the proposed multi-wavelength optimizing methodology, even more efficient wideband couplers could be expected by adopting more optimization accounting for more structural parameters in the future.…”
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