Abstract
The field of transformation optics shows that media containing gradients in optical properties are equivalent to curved geometries of spacetime for the propagation of light. Conformal transformation optics — a particular variant of this feature — can be used to design devices with novel functionalities from inhomogeneous, isotropic dielectric media.
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Acknowledgements
This work was supported by the National Science Foundation of China for Excellent Young Scientists (Grant No. 61322504) and the Foundation for the Author of National Excellent Doctoral Dissertation of China (Grant No. 201217). We thank P. Ball and W. Yang for proofreading.
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Xu, L., Chen, H. Conformal transformation optics. Nature Photon 9, 15–23 (2015). https://doi.org/10.1038/nphoton.2014.307
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DOI: https://doi.org/10.1038/nphoton.2014.307
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