Research Papers

Reflection and refraction of light from metasurfaces with phase discontinuities

[+] Author Affiliations
Francesco Aieta

Harvard University, School of Engineering and Applied Sciences, Cambridge, Massachusetts 02138

Università Politecnica delle Marche, Dipartimento di Scienze e Ingegneria della Materia, dell’Ambiente ed Urbanistica, via Brecce Bianche, 60131 Ancona, Italy

Ali Kabiri

Harvard University, School of Engineering and Applied Sciences, Cambridge, Massachusetts 02138

Patrice Genevet

Harvard University, School of Engineering and Applied Sciences, Cambridge, Massachusetts 02138

Texas A&M University, Institute for Quantum Studies and Department of Physics, College Station, Texas, 77843

Nanfang Yu

Harvard University, School of Engineering and Applied Sciences, Cambridge, Massachusetts 02138

Mikhail A. Kats

Harvard University, School of Engineering and Applied Sciences, Cambridge, Massachusetts 02138

Zeno Gaburro

Harvard University, School of Engineering and Applied Sciences, Cambridge, Massachusetts 02138

Università degli Studi di Trento, Dipartimento di Fisica, via Sommarive 14, 38100 Trento, Italy

Federico Capasso

Harvard University, School of Engineering and Applied Sciences, Cambridge, Massachusetts 02138

J. Nanophoton. 6(1), 063532 (Dec 05, 2012). doi:10.1117/1.JNP.6.063532
History: Received September 10, 2012; Revised November 6, 2012; Accepted November 7, 2012
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Abstract.  A three-dimensional extension of the recently demonstrated generalization of the laws of refraction and reflection was investigated for both flat and curved metasurfaces. We found that out-of-plane refraction occurs for a metasurface that imparts a wavevector out of the plane of incidence onto the incident light beam. Metasurfaces provide arbitrary control over the direction of refraction, and yield new critical angles for both reflection and refraction. A spherical metasurface with phase discontinuities leads to unconventional light bending compared to standard refractive lenses.

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© 2012 Society of Photo-Optical Instrumentation Engineers

Citation

Francesco Aieta ; Ali Kabiri ; Patrice Genevet ; Nanfang Yu ; Mikhail A. Kats, et al.
"Reflection and refraction of light from metasurfaces with phase discontinuities", J. Nanophoton. 6(1), 063532 (Dec 05, 2012). ; http://dx.doi.org/10.1117/1.JNP.6.063532


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