… Abstract: The silicon-based integrated platform has a high refractiveindex difference and is … edge coupler is proposed, which aims to realize efficient terahertz wave coupling and …
… , with design freedom in refractiveindex. We review and discuss … -insulator: A new type of microphotonic waveguide[J]. Optics … Design of broadband subwavelengthgratingcouplers with …
… 2 The effectiverefractiveindex (TE0,TM0 … of FOM with the number of iterations,the inset shows the variation process of mode couplingefficiency with the coupling length at 40 iterations …