Optical absorption characteristics and polarization dependence of single-layer graphene on silicon waveguide

Kaori Warabiy; Rai Kou; Shinichi Tanabe; Tai Tsuchizawa; Satoru Suzuki; Hiroki Hibino; Hirochika Nakajima; Koji Yamada

doi:10.1587/transele.E97.C.736

Optical absorption characteristics and polarization dependence of single-layer graphene on silicon waveguide

Kaori Warabiy, Rai Kou, Shinichi Tanabe, Tai Tsuchizawa, Satoru Suzuki, Hiroki Hibino, Hirochika Nakajima, Koji Yamada

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

Abstract

Graphene is attracting attention in electrical and optical research fields recently. We measured the optical absorption characteristics and polarization dependence of single-layer graphene (SLG) on submicrometer Si waveguide. The results for graphene lengths ranging from 2.5 to 200 μm reveal that the optical absorption by graphene is 0.09 dB/μm with the TE mode and 0.05 dB/μm with the TM mode. The absorption in the TE mode is 1.8 times higher than that in the TM mode. An optical spectrum, theoretical analysis and Raman spectrum indicate that surfaceplasmon polaritons in graphene support TM mode light propagation.

Original language	English
Pages (from-to)	736-743
Number of pages	8
Journal	IEICE Transactions on Electronics
Volume	E97-C
Issue number	7
DOIs	https://doi.org/10.1587/transele.E97.C.736
Publication status	Published - 2014

Keywords

Graphene
Optical absorption
Polarizer
Silicon photonics

ASJC Scopus subject areas

Electrical and Electronic Engineering
Electronic, Optical and Magnetic Materials

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10.1587/transele.E97.C.736

Cite this

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abstract = "Graphene is attracting attention in electrical and optical research fields recently. We measured the optical absorption characteristics and polarization dependence of single-layer graphene (SLG) on submicrometer Si waveguide. The results for graphene lengths ranging from 2.5 to 200 μm reveal that the optical absorption by graphene is 0.09 dB/μm with the TE mode and 0.05 dB/μm with the TM mode. The absorption in the TE mode is 1.8 times higher than that in the TM mode. An optical spectrum, theoretical analysis and Raman spectrum indicate that surfaceplasmon polaritons in graphene support TM mode light propagation.",

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AU - Warabiy, Kaori

AU - Kou, Rai

AU - Tanabe, Shinichi

AU - Tsuchizawa, Tai

AU - Suzuki, Satoru

AU - Hibino, Hiroki

AU - Nakajima, Hirochika

AU - Yamada, Koji

PY - 2014

Y1 - 2014

N2 - Graphene is attracting attention in electrical and optical research fields recently. We measured the optical absorption characteristics and polarization dependence of single-layer graphene (SLG) on submicrometer Si waveguide. The results for graphene lengths ranging from 2.5 to 200 μm reveal that the optical absorption by graphene is 0.09 dB/μm with the TE mode and 0.05 dB/μm with the TM mode. The absorption in the TE mode is 1.8 times higher than that in the TM mode. An optical spectrum, theoretical analysis and Raman spectrum indicate that surfaceplasmon polaritons in graphene support TM mode light propagation.

AB - Graphene is attracting attention in electrical and optical research fields recently. We measured the optical absorption characteristics and polarization dependence of single-layer graphene (SLG) on submicrometer Si waveguide. The results for graphene lengths ranging from 2.5 to 200 μm reveal that the optical absorption by graphene is 0.09 dB/μm with the TE mode and 0.05 dB/μm with the TM mode. The absorption in the TE mode is 1.8 times higher than that in the TM mode. An optical spectrum, theoretical analysis and Raman spectrum indicate that surfaceplasmon polaritons in graphene support TM mode light propagation.

KW - Graphene

KW - Optical absorption

KW - Polarizer

KW - Silicon photonics

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Optical absorption characteristics and polarization dependence of single-layer graphene on silicon waveguide

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Keywords

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