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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >Multilayer graphene frequency doubler using direct-current bias and reflector networks
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Multilayer graphene frequency doubler using direct-current bias and reflector networks

机译：使用直流偏置和反射器网络的多层石墨烯倍增器

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摘要

A multilayer graphene frequency doubler (GFD) with inductance-capacitor resonators (LCRs) and microstrip reflective stubs (MRS) is proposed in this paper. Graphene has strong nonlinear characteristics. Under the excitation of electromagnetic waves, the output power of odd harmonic of graphene is greater than that of even harmonic. Under the joint excitation of electromagnetic wave and bias voltage, the even harmonic output power of graphene is enhanced and the odd harmonic is suppressed, which is very suitable for making GFD. On the basis of analyzing the conductivity of graphene, the symbolically defined device model of multilayer graphene is established, and the model is applied to GFD circuit, the simulation results are basically consistent with the experimental data. The multiplier efficiency of graphene can be effectively improved by the bias voltage and LCR and the MRS. At an operating frequency of 0.65-1.15 GHz, the minimum conversion loss (CL) of the GFD is 20.57 dB when the input power is 16 dBm.
机译：提出了一种具有电感电容谐振器（LCR）和微带反射短截线（MRS）的多层石墨烯倍频器（GFD）。石墨烯具有很强的非线性特性。在电磁波的激励下，石墨烯的奇次谐波输出功率大于偶次谐波输出功率。在电磁波和偏置电压的共同激励下，石墨烯的偶次谐波输出功率得到增强，奇次谐波得到抑制，非常适合制作GFD。在分析石墨烯导电性的基础上，建立了多层石墨烯的符号定义器件模型，并将该模型应用于GFD电路，仿真结果与实验数据基本一致。偏置电压、LCR和MRS可以有效地提高石墨烯的倍增效率。在0.65-1.15GHz的工作频率下，当输入功率为16dBm时，GFD的最小转换损耗（CL）为20.57dB。

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