Large-Scale All-Dielectric Metamaterial Perfect Reflectors [electronic resource].

Published:: Washington, D.C. : United States. Dept. of Energy. Office of Science, 2015.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy
Physical Description:: pages 692-698 : digital, PDF file
Additional Creators:: Oak Ridge National Laboratory, United States. Department of Energy. Office of Science, United States. Office of Naval Research, and United States. Department of Energy. Office of Scientific and Technical Information

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Summary:

All-dielectric metamaterials offer a potential low-loss alternative to plasmonic metamaterials at optical frequencies. In this paper, we take advantage of the low absorption loss as well as the simple unit cell geometry to demonstrate large-scale (centimeter-sized) all-dielectric metamaterial perfect reflectors made from silicon cylinder resonators. These perfect reflectors, operating in the telecommunications band, were fabricated using self-assembly based nanosphere lithography. In spite of the disorder originating from the self-assembly process, the average reflectance of the metamaterial perfect reflectors is 99.7% at 1530 nm, surpassing the reflectance of metallic mirrors. Moreover, the spectral separation of the electric and magnetic resonances can be chosen to achieve the required reflection bandwidth while maintaining a high tolerance to disorder. Finally, the scalability of this design could lead to new avenues of manipulating light for low-loss and large-area photonic applications.

Report Numbers:

E 1.99:1265550

Subject(s):

Materials Science

Other Subject(s):

Note:

Published through SciTech Connect.
05/08/2015.
"KC0403040"
"ERKCZ01"
ACS Photonics 2 6 ISSN 2330-4022 AM
Parikshit Moitra; Brian A. Slovick; Wei li; Ivan I. Kravchencko; Dayrl P. Briggs; S. Krishnamurthy; Jason Valentine.

Funding Information:

AC05-00OR22725
N00014-14-1-0475
N00014-12-1-0722

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