Qingyang Du

Ultra-compact nonvolatile photonics based on electrically reprogrammable transparent phase change materials

2021 · arXiv (Cornell University)

Energy-efficient programmable photonic integrated circuits (PICs) are the cornerstone of on-chip classical and quantum optical technologies. Optical phase shifters constitute the fundamental building blocks which enable these programmable PICs. Thus far, carrier modulation and thermo-optical …

On‐chip wavefront shaping in spacing‐varied waveguide arrays

2023 · Nanophotonics

The ability to manipulate light propagation sets the foundations for optical communication and information processing systems. With the ever-growing data capacity and data rate, photonic integrated circuits have attracted increasing attentions of researchers owing to …