Optical beam steering based on the symmetry of resonant modes of nanoparticles

We report a phenomenon that an optical beam transmits in a negative direction when passing through a single array of high-refractive-index dielectric nanorods. The mechanism of the negative directional transmission is believed to be due to the symmetry of resonant modes in the dielectric nanoparticl...

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Bibliographic Details
Published in:Physical review letters 2011-05, Vol.106 (20), p.203903-203903, Article 203903
Main Authors: Du, Junjie, Lin, Zhifang, Chui, S T, Lu, Wanli, Li, Hao, Wu, Aimin, Sheng, Zhen, Zi, Jian, Wang, Xi, Zou, Shichang, Gan, Fuwan
Format: Article
Language:English
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Summary:We report a phenomenon that an optical beam transmits in a negative direction when passing through a single array of high-refractive-index dielectric nanorods. The mechanism of the negative directional transmission is believed to be due to the symmetry of resonant modes in the dielectric nanoparticles. It is expected to find applications in designing compact optical components to achieve the on-chip beam steering in photonic circuits.
ISSN:0031-9007
1079-7114
DOI:10.1103/physrevlett.106.203903