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Electromagnetically induced transparency in inhomogeneously broadened solid media



Kumel H. Kagalwala, Fan Haoquan, Sergey Polyakov, Alan L. Migdall, Elizabeth A. Goldschmidt


We study, theoretically and experimentally, electromagnetically induced transparency (EIT) in two di erent solid-state systems. Unlike many implementations in homogeneously broadened media, these systems exhibit inhomogeneous broadening of their optical and spin transitions typical of solidstate materials. We observe EIT lineshapes typical of atomic gases, including a crossover into the regime of Autler-Townes splitting, but with the substitution of the inhomogeneous widths for the homogeneous values. We obtain quantitative agreement between experiment and theory for the width of the transparency feature over a range of optical powers and inhomogeneous linewidths. We discuss regimes over which analytical and numerical treatments capture the behavior. As solid- state systems become increasingly important for scalable and integratable quantum optical and photonic devices, it is vital to understand the e ects of the inhomogeneous broadening that is ubiquitous in these systems. The treatment presented here can be applied to a variety of systems, as exempli ed by the common scaling of experimental results from two di erent systems.
Physical Review A


quantum memory, quantum information, quantum optics, rare earth ions, Electromagnetically induced transparency


Kagalwala, K. , Haoquan, F. , Polyakov, S. , Migdall, A. and Goldschmidt, E. (2019), Electromagnetically induced transparency in inhomogeneously broadened solid media, Physical Review A (Accessed April 20, 2024)
Created May 14, 2019, Updated October 12, 2021