Abstract

Multimode silicon photonics is promising to further increase the link capacity of optical interconnects thus attract more and more attention. Moreover, the introduction of higher-order modes also greatly enhances the flexibility for the design of on-chip photonic devices, showing great potential in some emerging applications. Currently multimode silicon photonic devices have been tremendously investigated. This paper gives a tutorial review for the recent progresses in this field.

© 2021 The Author(s)