Gallium- and Silicon Nitride-Based Photonic Integrated Circuits for Visible Wavelengths

• DOI: 10.1364/cleo_at.2020.jth2b.19
• Publication Date: 2020-09-11T16:44:36Z
• Authors: Riazul Arefin; Sujit Ramachandra; Hyemin Jung; Syed M. N. Hasan; Weicheng You; Sarvagya Dwivedi; Shamsul Arafin
• Keywords: 0103 physical sciences; 01 natural sciences; 7. Clean energy

Photonic integration of GaN and Si-SiN platforms at the shortest visible wavelength is reported. Maximum theoretical coupling efficiencies up to 51% and 24% for a vertical grating coupler (fiber-chip) and hybrid integration, respectively, are achieved.