Characteristic analysis of microwave multilayer MoS₂ and graphene frequency tripler

ABSTRACT

In this paper, a multilayer MoS₂ frequency tripler (MFT) and a graphene frequency tripler (GFT) are presented. The multilayer MoS₂ and graphene have strong nonlinear characteristics. When the input power is about 14 dBm and the input frequency is 0.75–1.1 GHz, the maximum out power of the 3rd harmonic wave of the MFT is −27.1 dBm and it is about 9–13 dB lower than that of the fundamental wave leakage power. Under the same experimental conditions, the maximum output power of the 3rd harmonic wave of the GFT is −13.1dBm, and it is 22–28 dB lower than the fundamental leakage power. At the same time, the even-order harmonic output power values of the two triplers are very small. Therefore, the MFT’s fundamental-wave-leakage power is smaller than that of the GFT, and the conversion loss of the GFT is lower than that of the MFT.

KEYWORDS:

• Tripler
• MoS₂
• graphene
• nonlinear

ORCID

Yong Fang http://orcid.org/0000-0002-6062-0469

Additional information

Funding

This work was supported by the Key project of Sichuan Provincial Education Department of China [grant number 17ZA0037]; the Sichuan Science and Technology Program of China [grant number 2018GZ0513]; the National Nature Science Foundation of China [grant number 41574137], [grant number 41574136].

Notes on contributors

Yong Guo

Yong Guo received a bachelor’s degree in Geoscience Instruments Specialty from Jilin University in 1982, a master’s degree in Engineering Physics Exploration Specialty in 1989 and a doctor’s degree in Geophysical Prospecting and Information Technology in 2010 from Chengdu University of Technology. His research interests include earthquake disaster early warning and rescue technology, geological equipment and wireless communication equipment technology.