Topological photonic crystals in the visible: design and angle-resolved characterization of the bulk and edge states

Creators: Peng, Siying; Schilder, Nick; Ni, Xiang; Meuret, Sophie; Doeleman, Hugo; Coenen, Toon; Koenderink, Femius; Khanikaev, Alexander; Alù, Andrea; Atwater, Harry A.; Polman, Albert

Abstract

We fabricated and characterized photonic crystals with non-trivial topological bulk states and pseudo-time-reversal-symmetry protected helical edge states in the visible regime. With a 30-keV electron beam, we excite coherent cathodoluminescence in the nanostructured material and derive photonic band structures.

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Resource type: Book Section - Chapter
Publisher: Optical Society of America
Imprint: 2018 Conference on Lasers and Electro-Optics (CLEO), Art. No. FTh3M.2. Washington, D.C.. ISBN: 978-1-943580-42-2.
Conference: 2018 Conference on Lasers and Electro-Optics (CLEO) , San Jose, CA, 13-18 May 2018

Created:: August 19, 2023
Modified:: October 20, 2023