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

doi:10.1063/1.4766814

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

Department of Electrical Engineering

Tohoku University
Japan Science and Technology Agency
Bauman Moscow State Technical University
The University of Aizu
Moscow Institute of Physics and Technology
Rensselaer Polytechnic Institute

Research output: Contribution to journal › Article › peer-review

60 Scopus citations

Abstract

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.

Original language	English
Article number	104507
Journal	Journal of Applied Physics
Volume	112
Issue number	10
DOIs	https://doi.org/10.1063/1.4766814
State	Published - Nov 15 2012

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abstract = "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.",

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AU - Ryzhii, V.

AU - Otsuji, T.

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AU - Leiman, V. G.

AU - Yurchenko, S. O.

AU - Mitin, V.

AU - Shur, M. S.

PY - 2012/11/15

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N2 - 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.

AB - 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.

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DO - 10.1063/1.4766814

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

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