Near-resonant twin-beam generation from degenerate four-wave mixing in hot 133Cs vapor enabled by field-dressed energy levels

被引：1

作者：

Wang, Dan ^{[1
,2
]}

Lu, Weiqing ^{[1
]}

Han, Jingya ^{[1
]}

Zhang, Yao ^{[1
]}

Liu, Yi ^{[1
]}

Zhou, Haitao ^{[1
]}

Wu, Jinze ^{[3
]}

Zhang, Junxiang ^{[3
]}

机构：

[1] Shanxi Univ, Sch Phys & Elect Engn, State Key Lab Quantum Opt & Quantum Opt Devices, Taiyuan 030006, Peoples R China

[2] Shanxi Univ, Collaborat Innovat Ctr Extreme Opt, Taiyuan 030006, Shanxi, Peoples R China

[3] Zhejiang Univ, Dept Phys, Hangzhou 310027, Peoples R China

来源：

OPTICS EXPRESS | 2023年 / 31卷 / 23期

基金：

中国国家自然科学基金;

关键词：

SQUEEZED-LIGHT; STATES; IMPROVEMENT; D1;

D O I：

10.1364/OE.501989

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Squeezed light near an atomic resonance is beneficial for efficient atom-light quantum interfaces. It is desirable but challenging to directly generate in atoms due to excess noise from spontaneous emission and reabsorption. Here, we report on the use of energy-level modulation to actively control atomic coherence and interference in degenerate four-wave mixing (DFWM) and then to enhance the DFWM gain process for the generation of near-resonant squeezed twin beams. With this technique, we obtain a -2.6 dB intensity-difference squeezing detuned 100 MHz from the D1 F = 4 to F' = 4 transition of 133Cs.

引用

页码：38255 / 38267

页数：13