Trapping photons with optical black hole.

You-Ling ChenQi-Tao CaoYun-Feng Xiao

Published in: Light, science & applications (2023)

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.

Keyphrases

high resolution
perovskite solar cells
high speed
solar cells
human health
risk assessment
mass spectrometry
climate change