石墨烯中等离子体与平面布拉格光栅对太赫兹辐射的放大

2013 International Conference on Advanced Optoelectronics and Lasers (CAOL 2013) Pub Date : 2013-11-07 DOI:10.1109/CAOL.2013.6657574

O. Polischuk, V. Popov, S. Nikitov, V. Ryzhii, T. Otsuji, M. Shur

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引用次数: 0

摘要

在石墨烯中，利用平面Bragg光栅与太赫兹辐射强耦合产生等离子体激元，预测了太赫兹辐射的巨大放大。太赫兹波在等离子体共振频率处的放大比远离共振频率处的放大强几个数量级。结果表明，在窄缝布拉格光栅和薄势垒层结构中，太赫兹石墨烯放大器的动态范围和频率范围可以得到明显增强。

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Amplification of terahertz radiation by plasmons in graphene with a planar Bragg grating

The giant amplification of terahertz radiation due to stimulated generation of plasmons in graphene with a planar Bragg grating strongly coupled to terahertz radiation is predicted. The amplification of terahertz wave at the plasmon resonance frequencies is several orders of magnitude stronger than away from the resonances. It is shown that the dynamic and frequency ranges of terahertz graphene amplifier can be strongly enhanced in the structure with a narrow-slit Bragg grating and/or thin barrier layer.

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2013 International Conference on Advanced Optoelectronics and Lasers (CAOL 2013)

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