Realization of Gain with Electromagnetically Induced Transparency System with Non-degenerate Zeeman Sublevels in ${}^{87}$Rb

Minchuan Zhou, Zifan Zhou, Selim M. Shahriar

Previously, we had proposed an optically-pumped five-level Gain EIT (GEIT) system, which has a transparency dip superimposed on a gain profile and exhibits a negative dispersion su…