Polarization properties of few-layer graphene on silicon substrate in terahertz frequency range

被引：11

作者：

Kvitsinskiy, Anatoly ^{[1
,2
]}

Demchenko, Petr ^{[1
,2
]}

Grebenchukov, Alexander ^{[1
,2
]}

Litvinov, Egor ^{[1
,2
]}

Masyukov, Maxim ^{[1
]}

Zaitsev, Anton ^{[1
,2
]}

Baldycheva, Anna ^{[3
]}

Kovalska, Evgeniya ^{[3
]}

Vozianova, Anna ^{[1
]}

Khodzitsky, Mikhail ^{[1
,2
]}

机构：

[1] ITMO Univ, Terahertz Biomed Lab, 3b Kadetskaya Liniya, St Petersburg 99034, Russia

[2] ITMO Univ, Ctr Bioengn, 49 Kronverksky Prospekt, St Petersburg 197101, Russia

[3] Univ Exeter, Graphene Ctr, Stocker Rd, Exeter EX4 4QL, Devon, England

来源：

SN APPLIED SCIENCES | 2019年 / 1卷 / 12期

关键词：

Terahertz time-domain spectroscopic polarimetry; Few-layer graphene; High-resistivity monocrystalline silicon; Polarization properties; Stokes parameters; Faraday effect; SPECTROSCOPY; FARADAY; RESPONSES; ROTATION;

D O I：

10.1007/s42452-019-1748-x

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Terahertz time-domain spectroscopic polarimetry (THz-TDSP) method was used to study polarization properties of a few-layer graphene (FLG) on a silicon (Si) substrate in terahertz (THz) frequency range under an external optical pumping and an external static magnetic field. Frequency dependencies of azimuth and ellipticity angles of a polarization ellipse and the polarization ellipse at various frequencies of the electromagnetic waves transmitted through the Si substrate and the FLG on the Si substrate were obtained experimentally and theoretically. The results confirm the fact that, based on the FLG, it is possible to devise efficient tunable THz polarization modulators for use in the latest security and telecommunication systems.

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页数：13

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