THz Harmonic Generation in graphene/metamaterial active modulators

被引：0
|
作者：
Lu, Yuezhen [1 ]
Zaman, Abdullah M. [1 ]
Woolley, Jack M. [2 ]
Tadbier, Wadood [3 ]
Hofmann, Stephan [3 ]
Dhillon, Sukhdeep [4 ]
Lloyd-Hughes, James [2 ]
Degl'Innocent, Riccardo [5 ]
机构：
[1] Univ Lancaster, Sch Engn, Gillow Ave,Bailrigg, Lancaster LA1 4YW, England
[2] Univ Warwick, Dept Phys, Gibbet Hill Rd, Coventry CV4 7AL, England
[3] Univ Cambridge, Dept Engn, 9 J J Thomson Ave, Cambridge CB3 0FA, England
[4] Univ Paris Cite, Univ PSL, Sorbonne Univ, ENS,CNRS,Lab Phys Ecole Normale Superie, F-75005 Paris, France
[5] Queen Mary Univ London, Sch Elect Engn & Comp Sci, Mile End Rd, London E1 4NS, England
来源：
TERAHERTZ PHOTONICS III | 2024年 / 12994卷
关键词：
Graphene; Terahertz; nonlinearity; metamaterial;
D O I：
10.1117/12.3016029
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report on the THz harmonic generation in a graphene/metamaterial device by using ultrafast table top powerful THz-TDS systems. A complex nonlinear transmission spectra, which includes a peak at the third harmonic signal is detected on top of the main resonant features at 0.65 THz, for E-field pulses in the range 1-30 kV/cm. Whilst these results are consistent with acquainted literature, they offer a novel perspective for the exploitation of graphene nonlinearity in integrated devices.
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页数：4
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