Silicon photonic grating couplers represent a pivotal element in the integration of optical devices onto chips. They serve as the interface between optical fibres and on-chip waveguides, enabling ...

Figure 1 Schematic diagram of a three-dimensional integrated multichannel waveguide grating filter: (a) 1:1 planar beam splitter, (b) 1:1 three-dimensional beam splitter, (c) waveguide gratings ...

How researchers are employing advanced materials and semiconductor techniques to address electro-optical needs. How they developed photonic IC (PIC) circuit elements including power couplers, phase ...

IBM has created low-loss (0.3% loss over 10 microns) silicon waveguide could enable new photonic chip designs for applications that rely on visible light, and could lead to more efficient lasers and ...