Visualization of unidirectional optical waveguide using topological photonic crystals made of dielectric material

Abstract

The introduction of topology unravels a new chapter of physics. Topological systems provide unique edge/interfacial quantum states which are expected to contribute to the development of novel spintronics and open the door to robust quantum computation. Optical systems can also benefit from topology. Engineering locally in real space a honeycomb photonic crystal with double Dirac cone in its photonic dispersion, topology transition in photonic band structure is induced and a pseudospin unidirectional optical channel is created and demonstrated by the backscattering immune electromagnetic transportation. The topological photonic crystal made of dielectric material can pave the road towards steering light propagations and contribute to novel communication technology.

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Cited by in corpus (90)

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• Active topological photonics
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• Topological Polarization Singularities in Metaphotonics
• Electromagnetic-dual metasurfaces for topological states along a one-dimensional interface
• Photonic Anomalous Quantum Hall Effect
• Topological transitions in continuously-deformed photonic crystals
• Topological metasurface: From passive toward active and beyond
• Pseudospin-Polarized Topological Line Defects in Dielectric Photonic Crystals
• Gapped Topological Kink States and Topological Corner States in Graphene
• Topological Phononic Logic
• Gapless Unidirectional Photonic Transport Using All-Dielectric Kagome Lattices
• 3D hinge transport in acoustic higher-order topological insulators
• Twisted quadrupole topological photonic crystals
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• Inverse design of higher-order photonic topological insulators
• A topological photonic ring-resonator for on-chip channel filters
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• Transport tuning of photonic topological edge states by optical cavities
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• Higher-order topological spin Hall effect of sound
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• Absence of topological protection of the interface states in ${\mathbb{Z}}_2$ photonic crystals
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• Plasmonic modes at inclined edges of anisotropic 2D materials
• Realization of broadband truly rainbow trapping in gradient-index heterostructures
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• $\pi$-fluxes, semi-metals and flat bands in artificial materials
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• Emission of nitrogen-vacancy centers in diamond shaped by topological photonic waveguide modes
• Double Dirac cones in band structures of periodic Schrödinger operators
• Topological electronic states in holey graphyne
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• A topological gap waveguide based on unidirectional locking of pseudo-spins
• Higher-order topology in honeycomb lattice with Y-Kekulé distortions
• Selective branching, quenching, and converting of topological modes
• Canonical scattering problem in topological metamaterials: Valley-Hall modes through a bend
• Topological Computation by non-Abelian Braiding in Classical Metamaterials
• Inverse design of dual-band valley-Hall topological photonic crystals with arbitrary pseudospin states
• Topologically Protected Photonic Modes in Composite Quantum Hall/Quantum Spin Hall Waveguides
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• Dynamics of transport by helical edge states
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• An all-dielectric photonic crystal with unconventional higher-order topology