Issue 10, 2023

Functionalizing nanophotonic structures with 2D van der Waals materials

Abstract

The integration of two-dimensional (2D) van der Waals materials with nanostructures has triggered a wide spectrum of optical and optoelectronic applications. Photonic structures of conventional materials typically lack efficient reconfigurability or multifunctionality. Atomically thin 2D materials can thus generate new functionality and reconfigurability for a well-established library of photonic structures such as integrated waveguides, optical fibers, photonic crystals, and metasurfaces, to name a few. Meanwhile, the interaction between light and van der Waals materials can be drastically enhanced as well by leveraging micro-cavities or resonators with high optical confinement. The unique van der Waals surfaces of the 2D materials enable handiness in transfer and mixing with various prefabricated photonic templates with high degrees of freedom, functionalizing as the optical gain, modulation, sensing, or plasmonic media for diverse applications. Here, we review recent advances in synergizing 2D materials to nanophotonic structures for prototyping novel functionality or performance enhancements. Challenges in scalable 2D materials preparations and transfer, as well as emerging opportunities in integrating van der Waals building blocks beyond 2D materials are also discussed.

Graphical abstract: Functionalizing nanophotonic structures with 2D van der Waals materials

Article information

Article type
Minireview
Submitted
15 iyn 2023
Accepted
02 avq 2023
First published
08 avq 2023

Nanoscale Horiz., 2023,8, 1345-1365

Functionalizing nanophotonic structures with 2D van der Waals materials

Y. Meng, H. Zhong, Z. Xu, T. He, J. S. Kim, S. Han, S. Kim, S. Park, Y. Shen, M. Gong, Q. Xiao and S. Bae, Nanoscale Horiz., 2023, 8, 1345 DOI: 10.1039/D3NH00246B

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