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July 26, 2024Optical Materials ExpressOpen Access

Tutorial 2.0: computing topological invariants in 3D photonic crystals

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Authors

CDChiara DevescoviAMAntonio Morales-PérezMPMaría Blanco de Paz

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Overview

Tutorial outlines electromagnetic Wilson loop methods for three-dimensional photonic crystals, highlighting robust topological invariant calculation across diverse topological phases.

Key Points

  • Electromagnetic Wilson loops resolve the diagnostic limitations caused by the transversal and vectorial nature of light, enabling precise calculation of topological invariants.
  • Theoretical framework characterizes topological phases in three-dimensional periodic media, demonstrating practical implementation across Weyl nodes and photonic Chern insulators.
  • Supports the systematic engineering of topological lasers and unidirectional waveguides, expanding accessible topological band structures in three-dimensional photonic crystals.

Cite This Study

Devescovi et al. (2024) studied this question.

synapsesocial.com/papers/68e5ee7cb6db643587582cb4https://doi.org/10.1364/ome.529068
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