Electromagnetically induced transparency and one-dimensional near-unity-refractive-index metamaterials

A. V. Goncharenko, Yia Chung Chang, V. U. Nazarov, Randall J. Knize, A. O. Pinchuk*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


We demonstrate numerically that one-dimensional metamaterials with a gain medium can exhibit a near-unity-refractive-index for TE-modes, which resembles the effect of electromagnetically induced transparency. Our results are further supported by rigorous coupled wave analysis simulations. Additionally, we analyze the behavior of the modal gain and derive an approximate analytical solution of the dispersion equation that is superior to earlier solutions. Finally, a generalization to the case of ultralow refractive index has been considered.

Original languageAmerican English
Article number305158
JournalOptical Materials Express
Issue number11
StatePublished - 2017
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2017 Optical Society of America.


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