Direct observation of topological edge states in silicon photonic crystals

Conference paper (2019)

Authors

F. Alpeggiani Kavli institute of nanoscience Delft, QN/Kuipers Lab - AS
L. Kuipers Kavli institute of nanoscience Delft, QN/Quantum Nanoscience
Research Group
QN/Kuipers Lab (AS) (TU Delft)
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Published Date

2019

Language

English

Reuse Rights

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Faculty

Applied Sciences

Department

QN/Quantum Nanoscience

Research Group

QN/Kuipers Lab

Abstract

We directly observe the states of topological photonic crystals at telecom wavelengths. Using the states’ intrinsic radiation, we measure dispersion, loss, pseudospin, and spin-spin scattering. We image spin-selective unidirectional propagation around sharp corners and junctions.