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Title: Coherent control of Snell’s law at metasurfaces
Authors: Shi, Jinhui
Fang, Xu
Rogers, Edward T. F.
Plum, Eric
MacDonald, Kevin F.
Zheludev, Nikolay I.
Keywords: DRNTU::Science::Physics
Issue Date: 2014
Source: Shi, J., Fang, X., Rogers, E. T. F., Plum, E., MacDonald, K. F., & Zheludev, N. I. (2014). Coherent control of Snell’s law at metasurfaces. Optics Express, 22(17), 21051-21060.
Series/Report no.: Optics Express
Abstract: It was recently demonstrated that the well-known Snell’s law must be corrected for phase gradient metasurfaces to account for their spatially varying phase, leading to normal and anomalous transmission and reflection of light on such metasurfaces. Here we show that the efficiency of normal and anomalous transmission and reflection of light can be controlled by the intensity or phase of a second coherent wave. The phenomenon is illustrated using gradient metasurfaces based on V-shaped and rectangular apertures in a metal film. This coherent control effect can be exploited for wave front shaping and signal routing.
ISSN: 1094-4087
DOI: 10.1364/OE.22.021051
Schools: School of Physical and Mathematical Sciences 
Rights: © 2014 Optical Society of America. This paper was published in Optics Express and is made available as an electronic reprint (preprint) with permission of Optical Society of America. The paper can be found at the following official DOI:  One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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