Tailoring the Faraday effect by birefringence of two dimensional plasmonic nanorod array

G. X. Du, S. Saito, M. Takahashi

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

The ability to rotate the polarization of light propagating through a material by applying a magnetic field was discovered by Faraday. It is critically important for applications involving light modulation and sensors. Shaped plasmonic crystals function as miniature polarizers. This study investigates a gold nanorod array that can be used to significantly vary the Faraday effect originating from a dielectric material. The dependence of the Faraday effect on the polarizer angle exhibited well-defined characteristics. The birefringence of the nanorod array was characterized using a simplified setup for optical polarization tomography. The enhanced Faraday effect due to the plasmonic nanorods is promising for applications involving plasmonic circuits and refractometry.

Original languageEnglish
Article number191107
JournalApplied Physics Letters
Volume99
Issue number19
DOIs
Publication statusPublished - 2011 Nov 7

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