Topological modes in one-dimensional solids and photonic crystals.

Atherton, Timothy J.
Butler, Celia A. M.
Taylor, Melita C.
Hooper, Ian R.
Hibbins, Alastair P.
Sambles, Roy.
Mathur, Harsh.

It is shown theoretically that a one-dimensional crystal with time-reversal and particle-hole symmetries is characterized by a topological invariant that predicts the existence or otherwise of edge states. This is confirmed experimentally through the construction and simulation of a photonic crystal analog in the microwave regime. It is shown that the edge mode couples to modes external to the pho... read more

Tufts University. Department of Physics and Astronomy.
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Original publication
T. J. Atherton, C. A. M. Butler, M. C. Taylor, I. R. Hooper, A. P. Hibbins, J. R. Sambles and H. Mathur, Physical Review B - Condensed Matter and Materials Physics 93 (12) (2016).
ID: tufts:18908
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