Artificial birefringent metallic planar structures for terahertz wave polarization manipulation

Lei Wang; Suhua Jiang; Haifeng Hu; Haomin Song; Wei Zeng; Qiaoqiang Gan

doi:10.1364/OL.39.000311

Artificial birefringent metallic planar structures for terahertz wave polarization manipulation

Lei Wang, Suhua Jiang, Haifeng Hu, Haomin Song, Wei Zeng, Qiaoqiang Gan

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

15 Scopus citations

Abstract

We propose an artificial birefringent terahertz (THz) device constructed by subwavelength L-shaped hole arrays on a single metallic layer. This structure is able to work as a polarizer when the incident frequency is between the cut-off frequencies of two eigenmodes. When the incident wave is beyond cut-off frequencies of these two modes, it can be designed as an efficient half- or quarter-wave plate with extraordinary transmission properties. A big effective index difference from 0.254 to 0.768 is obtained using a subwavelength-thick planar structure, which can reduce the thickness of the device to one tenth of conventional quartz birefringent crystals for THz waves. © 2014 Optical Society of America.

Original language	English (US)
Pages (from-to)	311-314
Number of pages	4
Journal	Optics Letters
Volume	39
Issue number	2
DOIs	https://doi.org/10.1364/OL.39.000311
State	Published - Jan 15 2014
Externally published	Yes

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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title = "Artificial birefringent metallic planar structures for terahertz wave polarization manipulation",

abstract = "We propose an artificial birefringent terahertz (THz) device constructed by subwavelength L-shaped hole arrays on a single metallic layer. This structure is able to work as a polarizer when the incident frequency is between the cut-off frequencies of two eigenmodes. When the incident wave is beyond cut-off frequencies of these two modes, it can be designed as an efficient half- or quarter-wave plate with extraordinary transmission properties. A big effective index difference from 0.254 to 0.768 is obtained using a subwavelength-thick planar structure, which can reduce the thickness of the device to one tenth of conventional quartz birefringent crystals for THz waves. {\textcopyright} 2014 Optical Society of America.",

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T1 - Artificial birefringent metallic planar structures for terahertz wave polarization manipulation

AU - Wang, Lei

AU - Jiang, Suhua

AU - Hu, Haifeng

AU - Song, Haomin

AU - Zeng, Wei

AU - Gan, Qiaoqiang

N1 - Generated from Scopus record by KAUST IRTS on 2022-09-13

PY - 2014/1/15

Y1 - 2014/1/15

N2 - We propose an artificial birefringent terahertz (THz) device constructed by subwavelength L-shaped hole arrays on a single metallic layer. This structure is able to work as a polarizer when the incident frequency is between the cut-off frequencies of two eigenmodes. When the incident wave is beyond cut-off frequencies of these two modes, it can be designed as an efficient half- or quarter-wave plate with extraordinary transmission properties. A big effective index difference from 0.254 to 0.768 is obtained using a subwavelength-thick planar structure, which can reduce the thickness of the device to one tenth of conventional quartz birefringent crystals for THz waves. © 2014 Optical Society of America.

AB - We propose an artificial birefringent terahertz (THz) device constructed by subwavelength L-shaped hole arrays on a single metallic layer. This structure is able to work as a polarizer when the incident frequency is between the cut-off frequencies of two eigenmodes. When the incident wave is beyond cut-off frequencies of these two modes, it can be designed as an efficient half- or quarter-wave plate with extraordinary transmission properties. A big effective index difference from 0.254 to 0.768 is obtained using a subwavelength-thick planar structure, which can reduce the thickness of the device to one tenth of conventional quartz birefringent crystals for THz waves. © 2014 Optical Society of America.

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DO - 10.1364/OL.39.000311

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JO - Optics Letters

JF - Optics Letters

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Artificial birefringent metallic planar structures for terahertz wave polarization manipulation

Abstract

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