Ramsey interferometry of a bosonic Josephson junction in an optical cavity

被引：4
|
作者：
Li, Sheng-Chang [1 ]
Dou, Fu-Quan [2 ]
Fu, Li-Bin [3 ,4 ]
机构：
[1] Xi An Jiao Tong Univ, Sch Sci, Xian 710049, Shaanxi, Peoples R China
[2] Northwest Normal Univ, Coll Phys & Elect Engn, Lanzhou 730070, Gansu, Peoples R China
[3] China Acad Engn Phys, Grad Sch, Beijing 100193, Peoples R China
[4] Peking Univ, Ctr Appl Phys & Technol, Beijing 100084, Peoples R China
来源：
OPTICS LETTERS | 2017年 / 42卷 / 19期
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
ATOMS;
D O I：
10.1364/OL.42.003952
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We investigate the nonlinear Ramsey interferometry of a bosonic Josephson junction coupled to an optical cavity by applying two identical pumping field pulses separated by a holding field in the time domain. When the holding field is absent, we show that the atomic Ramsey fringes are sensitive to both the cavity-pump detuning and the initial state, and their periods can encode the information on both the atom-field coupling and the atom-atom interaction. For a weak holding field, we find that the fringes characterized by the oscillation of the intra-cavity photon number can completely reflect the frequency information of the atomic interference due to the weak atom-cavity coupling. This finding allows a nondestructive observation of the atomic Ramsey fringes via the cavity transmission spectra. (C) 2017 Optical Society of America
引用
收藏
页码：3952 / 3955
页数：4
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