We study the parametric amplification of electromagnetically induced transparency-assisted Rydberg six-and eight-wave mixing signals through a cascaded nonlinear optical process in a hot rubidium atomic ensemble both ...We study the parametric amplification of electromagnetically induced transparency-assisted Rydberg six-and eight-wave mixing signals through a cascaded nonlinear optical process in a hot rubidium atomic ensemble both theoretically and experimentally. The shift of the resonant frequency(induced by the Rydberg–Rydberg interaction) of parametrically amplified six-wave mixing signal is observed. Moreover, the interplays between the dressing effects and Rydberg–Rydberg interactions in parametrically amplified multiwave mixing signals are investigated. The linear amplification of Rydberg multiwave mixing processes with multichannel nature acts against the suppression caused by Rydberg–Rydberg interaction and dressing effect.展开更多
基金National Key R&D Program of China(2017YFA0303700)National Natural Science Foundation of China(NSFC)(11474228,11604256,61605154)+2 种基金Key Scientific and Technological Innovation Team of Shaanxi Province(2014KCT-10)Natural Science Foundation of Shaanxi Province(2017JQ6039)China Postdoctoral Science Foundation(2016M600776)
文摘We study the parametric amplification of electromagnetically induced transparency-assisted Rydberg six-and eight-wave mixing signals through a cascaded nonlinear optical process in a hot rubidium atomic ensemble both theoretically and experimentally. The shift of the resonant frequency(induced by the Rydberg–Rydberg interaction) of parametrically amplified six-wave mixing signal is observed. Moreover, the interplays between the dressing effects and Rydberg–Rydberg interactions in parametrically amplified multiwave mixing signals are investigated. The linear amplification of Rydberg multiwave mixing processes with multichannel nature acts against the suppression caused by Rydberg–Rydberg interaction and dressing effect.
