Experimental observation of photonic nodal line degeneracies in metacrystals

Wenlong Gao; Biao Yang; Ben Tremain; Hongchao Liu; Qinghua Guo; Lingbo Xia; Alastair P. Hibbins; Shuang Zhang

doi:10.1038/s41467-018-03407-5

Nature Communications (Mar 2018)

Experimental observation of photonic nodal line degeneracies in metacrystals

Wenlong Gao,
Biao Yang,
Ben Tremain,
Hongchao Liu,
Qinghua Guo,
Lingbo Xia,
Alastair P. Hibbins,
Shuang Zhang

Affiliations

Wenlong Gao: School of Physics and Astronomy, University of Birmingham
Biao Yang: School of Physics and Astronomy, University of Birmingham
Ben Tremain: Department of Physics and Astronomy, Electromagnetic and Acoustic Materials Group, University of Exeter
Hongchao Liu: School of Physics and Astronomy, University of Birmingham
Qinghua Guo: School of Physics and Astronomy, University of Birmingham
Lingbo Xia: School of Physics and Astronomy, University of Birmingham
Alastair P. Hibbins: International Collaborative Laboratory of 2D Materials for Optoelectronics Science & Technology of Ministry of Education, Shenzhen University
Shuang Zhang: School of Physics and Astronomy, University of Birmingham

DOI: https://doi.org/10.1038/s41467-018-03407-5
Journal volume & issue: Vol. 9, no. 1
pp. 1 – 7

Abstract

Read online

Nodal lines are 1D band crossings forming a ring in the Brillouin zone which can spawn Weyl points. Here, using a cut-wire metacrystal designed for gigahertz frequencies, Gao et al. observe photonic nodal line degeneracies as well as the photonic Weyl points arising from them.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

About the journal