Light: Science & Applications (Mar 2023)

Trapping photons with optical black hole

  • You-Ling Chen,
  • Qi-Tao Cao,
  • Yun-Feng Xiao

DOI
https://doi.org/10.1038/s41377-023-01122-5
Journal volume & issue
Vol. 12, no. 1
pp. 1 – 2

Abstract

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Abstract An optical black-hole cavity based on transformation optics enables Q-factor enhancement and strong field confinement, by eliminating the intrinsic radiation loss of the conventional whispering-gallery modes, holding potential for applications in energy harvesting and optoelectronics.