David A Powell

Cut-wire-pair structures as two-dimensional magnetic metamaterials.

Yuri S Kivshar, Ilya V Shadrivov, David A Powell, 2008, Optics express.

Flexible Helices for Nonlinear Metamaterials

Mikhail Lapine, Y. Kivshar, R. McPhedran, 2013, Advanced materials.

Spontaneous chiral symmetry breaking in metamaterials

Mikhail Lapine, Y. Kivshar, D. Powell, 2014, Nature Communications.

Strong terahertz absorption in all-dielectric Huygens’ metasurfaces

Michael A. Cole, D. Powell, I. Shadrivov, 2016, Nanotechnology.

Dispersion extraction with near-field measurements in periodic waveguides.

Sangwoo Ha, Y. Kivshar, A. Sukhorukov, 2009, Optics express.