Proceedings Article10.1364/FIO.2017.FW6C.5
Two-photon fabrication of type І optical Weyl points in photonic crystals
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TL;DR: In this paper, the authors realized micron-scale photonic crystals exhibiting Weyl points by means of laser direct writing and high refractive-index coating, and showed that they exhibit two pairs of Type I Weyl Points.
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Abstract: High refractive-index double-gyroid photonic crystals with broken inversion symmetry exhibit two pairs of Type I Weyl points. We realize micron-scale photonic crystals exhibiting Weyl points by means of laser direct writing and high refractive-index coating.
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Citations
Topological Insulator Materials for Advanced Optoelectronic Devices
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TL;DR: Topological insulators are quantum materials that have an insulating bulk state and a topologically protected metallic surface state with spin and momentum helical locking and a Dirac-like band structure as discussed by the authors.
References
Weyl points and line nodes in gyroid photonic crystals
TL;DR: Based on analytical and numerical analysis, researchers predict Weyl point formation in 3D photonic crystals as discussed by the authors, which is the first 3D linear point degeneration between two bands (Weyl points) observed.
Miniature chiral beamsplitter based on gyroid photonic crystals
Mark D. Turner,Matthias Saba,Qiming Zhang,Benjamin P. Cumming,Gerd E. Schröder-Turk,Gerd E. Schröder-Turk,Min Gu +6 more
TL;DR: In this article, a nano-engineered photonic-crystal chiral beamplitter is proposed to split left and right-handed circularly polarized light in the wavelength region around 1.615 µm.
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Measurement of a three-dimensional photonic band gap in a crystal structure made of dielectric rods.
Ekmel Ozbay,A. Abeyta,Gary Tuttle,Michael C. Tringides,Rana Biswas,Che Ting Chan,Costas M. Soukoulis,Kai-Ming Ho +7 more
TL;DR: A three-dimensional photonic-band-gap structure built by an orderly stacking of dielectric rods offers a viable geometry to extend the photonic band gap to optical regimes and is different from that previously suggested.
Optical Properties of Gyroid Structured Materials: From Photonic Crystals to Metamaterials
James A. Dolan,Bodo D. Wilts,Bodo D. Wilts,Silvia Vignolini,Jeremy J. Baumberg,Ullrich Steiner,Ullrich Steiner,Timothy D. Wilkinson +7 more
TL;DR: In this paper, the theoretical predictions and experimental observations of the optical properties of two fundamental classes of gyroid structured materials: photonic crystals (wavelength scale) and metamaterials (sub-wavelength Scale).