Optically Controlled THz Metamaterial Modulators

Optically Controlled THz Metamaterial Modulators
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DOI：
10.1109/irmmw-thz.2018.8510223
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发表时间：
2018-09
期刊：
2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)
影响因子：
--
通讯作者：
P. Stefanova;A. Klein;Rhiannon Lees;A. Gallant;C. Balocco
P. Stefanova;A. Klein;Rhiannon Lees;A. Gallant;C. Balocco
中科院分区：
其他
文献类型：
--
作者：
P. Stefanova;A. Klein;Rhiannon Lees;A. Gallant;C. Balocco

文献摘要

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对基于超材料裂环谐振器(SRR)的太赫兹频率光控幅度和相位调制器进行了模拟、制作和测试。利用矢量网络分析仪(VNA)在高阻浮区(HR-FZ)硅衬底上制作了开环谐振器铝结构，并用连续波(CW)太赫兹辐射对其进行了测试。在连续白光的光学照射下，观察到极大的幅度调制深度和相移。
Optically controlled amplitude and phase modulators based on split ring resonator (SRR) metamaterials at THz frequencies were simulated, fabricated and measured. Split ring resonator aluminium structures were patterned on High Resistivity Float Zone (HR-FZ) Silicon and measured with the structures excited by continuous wave (CW) THz radiation using a Vector Network Analyser (VNA) in the frequency range between 0.75 and 1.1 THz. Extreme amplitude modulation depths and phase shift were observed when the structures were under optical illumination with CW white light.