[CThP12D] Hybrid Material Integration for Silicon Photonics II

[CThP12D-07] Enhancement of Fiber-to-Waveguide Coupling Efficiency of Silicon Nitride Integrated Optical Circuits

*Xiaotian ZHU¹, Guangkuo Li¹, Yuhua Li⁴, Xiang Wang², Roy Davidson², Brent E Little^2,3, Sai T CHU¹ (1. City University of Hong Kong (Hong Kong), 2. QXP Technology Inc. (China), 3. State Key Laboratory of Transient Optics and Photonics, XIOPM, CAS, Xi’an (China), 4. Key Laboratory of Optical Field Manipulation of Zhejiang Province, Department of Physics, Zhejiang Sci-Tech University (China))

[Presentation Style] Onsite

A hybrid approach for the enhancement of the fiber-to-silicon nitride waveguide coupling efficiency is proposed. It shows the coupling efficiency of lower than 0.7 dB/facet across the C band can be achieved