A half wave retarder made of bilayer subwavelength metallic apertures

Z. Marcet; H. B. Chan; D. W. Carr; J. E. Bower; R. A. Cirelli; F. Klemens; W. M. Mansfield; J. F. Miner; C. S. Pai; I. I. Kravchenko

doi:10.1063/1.3579245

A half wave retarder made of bilayer subwavelength metallic apertures

Z. Marcet, H. B. Chan, D. W. Carr, J. E. Bower, R. A. Cirelli, F. Klemens, W. M. Mansfield, J. F. Miner, C. S. Pai, I. I. Kravchenko

Nanofabrication Research Laboratory

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

9 Scopus citations

Abstract

We demonstrate a half wave plate whose principle of operation is based on the strong evanescent field coupling between two metal layers with arrays of subwavelength slits. The device is divided into two kinds of pixels in which the slits are oriented in orthogonal directions. By tuning the phase delay of the transmitted light through the lateral displacement between the top and bottom layers, the polarization of linearly polarized light at 1.55 μm can be rotated by up to 90°. The polarization extinction ratio of the transmitted light exceeds 22 dB.

Original language	English
Article number	151107
Journal	Applied Physics Letters
Volume	98
Issue number	15
DOIs	https://doi.org/10.1063/1.3579245
State	Published - Apr 11 2011

Funding

This work was supported by the National Science Foundation under Grant No. ECS-0621944. Z. Marcet acknowledges support from South East Alliance for Graduate Education and the Professoriate. A portion of this research was conducted at the Center for Nanophase Material Sciences, which is sponsored at Oak Ridge National Laboratory by the Division of Scientific User Facilities, U.S. Department of Energy.

Funders	Funder number
National Science Foundation	ECS-0621944
U.S. Department of Energy
Basic Energy Sciences
Oak Ridge National Laboratory

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abstract = "We demonstrate a half wave plate whose principle of operation is based on the strong evanescent field coupling between two metal layers with arrays of subwavelength slits. The device is divided into two kinds of pixels in which the slits are oriented in orthogonal directions. By tuning the phase delay of the transmitted light through the lateral displacement between the top and bottom layers, the polarization of linearly polarized light at 1.55 μm can be rotated by up to 90°. The polarization extinction ratio of the transmitted light exceeds 22 dB.",

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AU - Marcet, Z.

AU - Chan, H. B.

AU - Carr, D. W.

AU - Bower, J. E.

AU - Cirelli, R. A.

AU - Klemens, F.

AU - Mansfield, W. M.

AU - Miner, J. F.

AU - Pai, C. S.

AU - Kravchenko, I. I.

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AB - We demonstrate a half wave plate whose principle of operation is based on the strong evanescent field coupling between two metal layers with arrays of subwavelength slits. The device is divided into two kinds of pixels in which the slits are oriented in orthogonal directions. By tuning the phase delay of the transmitted light through the lateral displacement between the top and bottom layers, the polarization of linearly polarized light at 1.55 μm can be rotated by up to 90°. The polarization extinction ratio of the transmitted light exceeds 22 dB.

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A half wave retarder made of bilayer subwavelength metallic apertures

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