A Low-Voltage, Premodulation Terahertz Oscillator Based on a Carbon Nanotube Cold Cathode

Xiaotao Xu,Xuesong Yuan,Qingyun Chen,Matthew T. Cole,Yu Zhang,Jie Xie,Yong Yin,Hailong Li,Yang Yan

IEEE Transactions on Electron Devices（2020）

Cited 8|Views49

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Abstract

To develop miniaturized and compact vacuum electron devices, new approaches to device manufacturing must be embraced. Here, a terahertz oscillator based on carbon nanotube (CNT) cold cathode is investigated through particle-in-cell (PIC) simulations. The studies show that the high-frequency (HF) field excited by the device can modulate the field emission current efficiently, with an output power o...

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Key words

Cathodes,Oscillators,Current density,Electron beams,Modulation,Magnetic resonance imaging,Carbon nanotubes

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