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Terahertz absorption

Photonic crystal traps THz waves

Nature Photonics volume 8, pages 586–587 (2014)Cite this article

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Photonic crystals have long been used to confine and guide propagating electromagnetic waves with low loss. Now, a new twist has been added by exploiting their leaky mode to effectively trap and dissipate incident electromagnetic energy over a broad frequency band.

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Figure 1: Design of photonic crystal for wave trapping and absorption.
Figure 2: Simplified mechanism for perfect absorption in a photonic crystal.

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Authors and Affiliations

  1. Withawat Withayachumnankul and Christophe Fumeaux are at the School of Electrical and Electronic Engineering, The University of Adelaide, Adelaide, South Australia 5005, Australia,

    Withawat Withayachumnankul & Christophe Fumeaux

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  1. Withawat Withayachumnankul
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  2. Christophe Fumeaux
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Correspondence to Withawat Withayachumnankul or Christophe Fumeaux.

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The authors declare no competing financial interests.

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Withayachumnankul, W., Fumeaux, C. Photonic crystal traps THz waves. Nature Photon 8, 586–587 (2014). https://doi.org/10.1038/nphoton.2014.168

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