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  • 2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference
  • OSA Technical Digest (Optica Publishing Group, 2021),
  • paper ec_3_1

Using symmetry bandgaps to create a line of bound states in the continuum in 3D photonic crystals

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Abstract

We show that photonic-crystal environments can create symmetry-specific bandgaps that host symmetry-protected bound states in the continuum along a complete line in the Brillouin zone, which we prove to be impossible in homogeneous environments.

© 2021 IEEE

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