Effect of plasma resonances on dynamic characteristics of double graphene-layer optical modulator

V. Ryzhii, T. Otsuji, M. Ryzhii, V. G. Leiman, S. O. Yurchenko, V. Mitin, M. S. Shur

研究成果: Article査読

50 被引用数 (Scopus)

抄録

We analyze the dynamic operation of an optical modulator based on double graphene-layer (GL) structure utilizing the variation of the GL absorption due to the electrically controlled Pauli blocking effect. The developed device model yields the dependences of the modulation depth on the control voltage and the modulation frequency. The excitation of plasma oscillations in double-GL structure can result in the resonant increase of the modulation depth, when the modulation frequency approaches the plasma frequency, which corresponds to the terahertz frequency for the typical parameter values.

本文言語English
論文番号104507
ジャーナルJournal of Applied Physics
112
10
DOI
出版ステータスPublished - 2012 11 15

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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