Ultrabroadband optical circular polarizers consisting of double-helical nanowire structures

Z. Y. Yang, M. Zhao, P. X. Lu, Yongfeng Lu

Research output: Contribution to journalArticle

66 Citations (Scopus)

Abstract

Recently, it was demonstrated by Gansel et al. [Science 325, 1513 (2009)] that 3D single-helical metamaterials can serve as broadband circular polarizers in the IR range. In this study, we propose a structured metamaterial with double-helical nanowires to construct circular polarizers with boarder wavelength bands in the visible-light and near-IR regions. Using the finite-difference time-domain method, we confirmed that the circular polarizers with the double-helical structures have operation bands more than 50% broader than those of the single-helical structures.

Original languageEnglish (US)
Pages (from-to)2588-2590
Number of pages3
JournalOptics Letters
Volume35
Issue number15
DOIs
StatePublished - Aug 1 2010

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polarizers
nanowires
finite difference time domain method
broadband
wavelengths

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Ultrabroadband optical circular polarizers consisting of double-helical nanowire structures. / Yang, Z. Y.; Zhao, M.; Lu, P. X.; Lu, Yongfeng.

In: Optics Letters, Vol. 35, No. 15, 01.08.2010, p. 2588-2590.

Research output: Contribution to journalArticle

Yang, Z. Y. ; Zhao, M. ; Lu, P. X. ; Lu, Yongfeng. / Ultrabroadband optical circular polarizers consisting of double-helical nanowire structures. In: Optics Letters. 2010 ; Vol. 35, No. 15. pp. 2588-2590.
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