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Conferences > CLEO_QELS > 2016 > FW1D > FW1D.5

Experimental Realization of a Reflections-Free Compact Delay Line Based on a Photonic Topological Insulator

Kueifu Lai, Tzuhsuan Ma, and Gennady Shvets

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Abstract

Photonic topological insulator emulating quantum spin Hall effect is employed to demonstrate the first reflections-free topologically protected delay line. Large broadband time delays of the guided edge modes are measured, compared with narrow-band non-topological ones.

© 2016 Optical Society of America

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