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Conferences > CLEO_QELS > 2016 > FF1D > FF1D.3

All-Si Valley-Hall Photonic Topological Insulator

Tzuhsuan Ma and Gennady Shvets

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Abstract

We propose an all-Si photonic topological insulator (PTI) that emulates the quantum-valley-Hall (QVH) effect with backscattering-free edge states. Such QVH-PTI has exotic external coupling property to vacuum and can be utilized for designing random resonant time-delay cavities immune to reflections.

© 2016 Optical Society of America

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