Spectral Narrowing Effect of a Novel Super-Grating Dual-Gate Structure for Plasmon-Resonant Terahertz Emitter(Session7: Millimeter-wave and Terahertz Devices)

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概要

• 論文の詳細を見る

• We've proposed a 2-dimensional (2D) plasmon resonant emitter incorporating a super-grating dual-gate (SGG) structure. Since the drain bias causes a linear potential slope from the source to drain, the electron densities in periodically distributed 2D plasmon cavities are dispersed, resulting in undesirable spectral broadening. A SGG structure can compensate for the electron density distribution by modulating the grating dimension. The finite difference time domain simulation confirms its spectral narrowing effect. Within a wide detuning range for the gate and drain biases giving a frequency shifting of +/-0.5 THz from an optimum condition, the SGG structure can preserve the spectral narrowing effect.

• 社団法人電子情報通信学会の論文
• 2008-07-02

著者

• Otsuji Taiichi

  Research Institute Of Electrical Communication Tohoku University

• Kang HyunChul

  Research Institute of Electrical Communication, Tohoku University

• Nishimura Takuya

  Research Institute of Electrical Communication, Tohoku University

• Kang Hyunchul

  Research Institute Of Electrical Communication Tohoku University

• MAGOME Nobuhiro

  Research Institute of Electrical Communication, Tohoku University

• Magome Nobuhiro

  Research Institute Of Electrical Communication Tohoku University

• Nishimura Takuya

  Research Institute Of Electrical Communication Tohoku University

• Otsuji Taiichi

  Research Institute for Electrical Communication, Tohoku University, Sendai 980-8577, Japan

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