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

页码：3952 / 3955

页数：4

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