Low-Loss Silicon Directional Coupler with Arbitrary Coupling Ratios for Broadband Wavelength Operation Based on Bent Waveguides

Ahmed H. El-Saeed, Alaa Elshazly, Hakim Kobbi +17

We demonstrate a design for a high-performance $2\times 2$ splitter meeting the essential requirements of broadband coupling, support for arbitrary coupling ratio, ultra low-loss,…