- Yang, Fuyi;
- Song, Wenshen;
- Meng, Fanhao;
- Luo, Fuchuan;
- Lou, Shuai;
- Lin, Shuren;
- Gong, Zilun;
- Cao, Jinhua;
- Barnard, Edward S;
- Chan, Emory;
- Yang, Li;
- Yao, Jie
We explored how the introduction of twisting degree of freedom in two-dimensional materials can affect their nonlinear optical behavior and showed the generation of second harmonics by stacking and twisting two centrosymmetric monolayers of graphene.
