1. Shaanxi Joint Lab of Graphene
2. State Key Lab Incubation Base of Photoelectric Technology and Functional Materials
3. International Collaborative Center on Photoelectric Technology and Nano Functional Materials
4. Institute of Photonics & Photon-Technology
5. Northwest University
6. School of Electronic Engineering
7. Xi'an University of Posts and Telecommunications
8. Xi'an 710121
9. China
10. A. M. Prokhorov General Physics Institute
11. RAS, 38 Vavilov st.
12. Moscow, 119991
13. Russia