Direct observation of topological edge states in silicon photonic crystals

Parappurath, N.; Alpeggiani, F.; Kuipers, L.; Verhagen, Ewold

Direct observation of topological edge states in silicon photonic crystals

Conference paper (2019)

Authors

N. Parappurath AMOLF

F. Alpeggiani Kavli institute of nanoscience Delft, QN/Kuipers Lab -

L. Kuipers QN/Quantum Nanoscience , Kavli institute of nanoscience Delft

Ewold Verhagen AMOLF

Research Group

QN/Kuipers Lab () (TU Delft)

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http://resolver.tudelft.nl/uuid:b634a47a-fcd7-4eaf-9209-3c609f915754

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Published Date

2019

Language

English

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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.