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Special Issue on 20th Anniversary of Wuhan National Laboratory for Optoelectronics (WNLO)
Special Issue on 70th anniversary of National University of Defense Technology
Special Issue on Lithium Niobate Based Photonic Devices
Special Issue on Lithium Noibate Based Photonic Devices
Special Issue on Metal Halide Perovskite and Their Applications
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Special issue on optical interconnect and integrated photonic chip technologies for hyper-scale computing systems
Special Issue on Optical Metasurfaces: Fundamentals and Applications
Special Issue on Quantum Imaging
Special Issue on the 20th Anniversary of Wuhan National Laboratory for Optoelectronics (WNLO)
Special Issue on the 40th Anniversary of Institute of Modern Optics, Nankai University
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Contents Atomic and Molecular Optics, 20 Article(s)
Magnetic field stabilization system designed for the cold-atom coherent population-trapping clock
Chang Zhan... Zhu Ma, Jiatao Wu, Maojie Li, Chengyin Han, Bo Lu and Chaohong Lee|Show fewer author(s)

Accurate control of magnetic fields is crucial for cold-atom experiments, often necessitating custom-designed control systems due to limitations in commercially available power supplies. Here, we demonstrate precise and flexible c

Chinese Optics Letters
Aug. 13, 2024, Vol. 22 Issue 8 080202 (2024)
Tunable off-resonant Rydberg microwave frequency comb spectroscopy based on metawaveguide coupled Rydberg atoms
Lihua Zhang... Zongkai Liu, Bang Liu, Qifeng Wang, Yu Ma, Tianyu Han, Zhengyuan Zhang, Hanchao Chen, Shiyao Shao, Qing Li, Jun Zhang, Dongsheng Ding and Baosen Shi|Show fewer author(s)

Studying Rydberg microwave frequency comb (MFC) spectroscopy helps increase the working bandwidth of the Rydberg receiver. This Letter demonstrates off-resonant Rydberg MFC spectroscopy in a meta-waveguide-coupled Rydberg atomic s

Chinese Optics Letters
Editors' PickAug. 13, 2024, Vol. 22 Issue 8 080201 (2024)
Magneto-optical isotope enrichment of potassium-40 with transverse cooling
Shangjin Li... Zixuan Zeng and Bo Yan|Show fewer author(s)

Isotope shifts among different isotopes can be effectively addressed using narrow-linewidth lasers, facilitating laser isotope separation and achieving significant enrichment at a single stage. The separation of potassium isotopes

Chinese Optics Letters
Jul. 16, 2024, Vol. 22 Issue 7 070201 (2024)
Efficient cold atom source from a single-layer atom chip
Petr Skakunenko... Darya Bykova, Anton Afanasiev, Alexey Kalmykov, Roman Kirtaev and Victor Balykin|Show fewer author(s)

We developed a new single-layer atom chip with an additional U-shaped current-carrying structure. The new U-shaped microwire creates optimized magnetic field distribution, which increases the trapping volume of a magneto-optical t

Chinese Optics Letters
Jun. 20, 2024, Vol. 22 Issue 6 060201 (2024)
Reconstructing coherent dynamics of bound states induced by strong attosecond XUV pulses
Lijuan Jia... Mingqing Liu, Xinqiang Wang, Long Xu, Peiguang Yan, Wei-Chao Jiang and Libin Fu|Show fewer author(s)

We propose a scheme that utilizes weak-field-induced quantum beats to investigate the electronic coherences of atoms driven by a strong attosecond extreme ultraviolet (XUV) pulse. The technique involves using a strong XUV pump pul

Chinese Optics Letters
Feb. 21, 2024, Vol. 22 Issue 2 020201 (2024)
Momentum filtering scheme of cooling atomic clouds for the Chinese Space Station
Hui Li... Biao Wu, Jiachen Yu, Xiaolong Yuan, Xiaoji Zhou, Bin Wang, Weibiao Chen, Wei Xiong and Xuzong Chen|Show fewer author(s)

To obtain cold atom samples with temperatures lower than 100 pK in the cold atom physics rack experiment of the Chinese Space Station, we propose to use the momentum filtering method for deep cooling of atoms. This paper introduce

Chinese Optics Letters
Aug. 08, 2023, Vol. 21 Issue 8 080201 (2023)
Phase dependence of third-order harmonic generation in gases induced by two-color laser field
Congsen Meng... Pan Song, Zhihui Lyu, Xiaowei Wang, Dongwen Zhang, Zengxiu Zhao and Jianmin Yuan|Show fewer author(s)

We experimentally demonstrate third-harmonic generation (THG) in gases ionized by a femtosecond laser pulse superimposed on its second-harmonic (SH). The mechanism of THG has been investigated, and it demonstrates that a third-ord

Chinese Optics Letters
Editors' PickMay. 06, 2023, Vol. 21 Issue 5 050201 (2023)
Rydberg electromagnetically induced transparency in 40K ultracold Fermi gases
Guoqi Bian... Biao Shan, Lianghui Huang and Jing Zhang|Show fewer author(s)

We report the measurement of the electromagnetically induced transparency (EIT) with Rydberg states in ultracold K40 Fermi gases, which is obtained through a two-photon process with the ladder scheme. Rydberg–EIT lines are obtaine

Chinese Optics Letters
Aug. 30, 2023, Vol. 21 Issue 10 100201 (2023)
Automatic, long-term frequency-stabilized lasers with sub-hertz linewidth and 10−16 frequency instability
Chengzhi Yan... Haosen Shi, Yuan Yao, Hongfu Yu, Yanyi Jiang and Longsheng Ma|Show fewer author(s)

We report two ultra-stable laser systems automatically frequency-stabilized to two high-finesse optical cavities. By employing analog-digital hybrid proportional integral derivative (PID) controllers, we keep the merits of wide se

Chinese Optics Letters
May. 26, 2022, Vol. 20 Issue 7 070201 (2022)
Dark state atoms trapping in a magic-wavelength optical lattice near the nanofiber surface
Dianqiang Su... Xiateng Qin, Yuan Jiang, Kaidi Jin, Zhonghua Ji, Yanting Zhao, Liantuan Xiao and Suotang Jia|Show fewer author(s)

We report the experimental realization of dark state atoms trapping in a nanofiber optical lattice. By applying the magic-wavelength trapping potentials of cesium atoms, the AC Stark shifts are strongly suppressed. The dark magnet

Chinese Optics Letters
Nov. 19, 2021, Vol. 20 Issue 2 020201 (2022)
Frequency control of a lattice laser at 759 nm by referencing to Yb clock transition at 578 nm
Yaqin Hao... Yuan Yao, Haosen Shi, Hongfu Yu, Yanyi Jiang and Longsheng Ma|Show fewer author(s)

We present the frequency control of a 759 nm laser as a lattice laser for an ytterbium (Yb) optical clock. The frequency stability and accuracy are transferred from the Yb optical clock via an optical frequency comb. Although the

Chinese Optics Letters
Sep. 23, 2022, Vol. 20 Issue 12 120201 (2022)
Ultranarrow bandwidth Faraday atomic filter approaching natural linewidth based on cold atoms
Wei Zhuang... Yang Zhao, Shaokai Wang, Zhanjun Fang, Fang Fang and Tianchu Li|Show fewer author(s)

An ultranarrow bandwidth Faraday atomic filter is realized based on cold Rb87 atoms. The atomic filter operates at 780 nm on the 52S1/2, F=2 to 52P3/2, F′=3 transition with a bandwidth of 7.1(8) MHz, which is approaching the natur

Chinese Optics Letters
Mar. 10, 2021, Vol. 19 Issue 3 030201 (2021)
Uncertainty evaluation of the second-order Zeeman shift of a transportable 87Rb atomic fountain clock
Henan Cheng... Siminda Deng, Zhen Zhang, Jingfeng Xiang, Jingwei Ji, Wei Ren, Tang Li, Qiuzhi Qu, Liang Liu and Desheng Lü|Show fewer author(s)

In this article, taking advantage of the special magnetic shieldings and the optimal coil design of a transportable Rb atomic fountain clock, the intensity distribution in space and the fluctuations with time of the quantization m

Chinese Optics Letters
Dec. 10, 2021, Vol. 19 Issue 12 120201 (2021)
Molecular orientation induced by H+ collision and modulated with combined fields
Zhiwei Ge... Xuequn Hou, Yu Zhao and Qingtian Meng|Show fewer author(s)

We take H++CO as a prototype to analyze the effect of ion or proton collision on molecular orientation modulated by a two-color shaped pulse combined with the time-delayed terahertz (THz) pulse. Through examining the effect of ion

Chinese Optics Letters
Nov. 10, 2021, Vol. 19 Issue 11 110201 (2021)
Portable atomic gravimeter operating in noisy urban environments
Bin Chen... Jinbao Long, Hongtai Xie, Chenyang Li, Luokan Chen, Bonan Jiang and Shuai Chen|Show fewer author(s)

The gravimeter based on atom interferometry has potential wide applications on building gravity networks and geophysics as well as gravity assisted navigation. Here, we demonstrate experimentally a portable atomic gravimeter opera

Chinese Optics Letters
Editors' PickSep. 10, 2020, Vol. 18 Issue 9 090201 (2020)
Improving the NV generation efficiency by electron irradiation
Bowen Zhao... Yang Dong, Shaochun Zhang, Xiangdong Chen, Wei Zhu and Fangwen Sun|Show fewer author(s)

The nitrogen vacancy (NV) center in diamond has been well applied in quantum sensing of electromagnetic field and temperature, where the sensitivity can be enhanced by the number of NV centers. Here, we used electron beam irradiat

Chinese Optics Letters
Aug. 10, 2020, Vol. 18 Issue 8 080201 (2020)
Laser stabilizing to ytterbium clock transition with Rabi and Ramsey spectroscopy
Yuxin Sun... Yuan Yao, Yaqin Hao, Hongfu Yu, Yanyi Jiang and Longsheng Ma|Show fewer author(s)

A cavity-stabilized 578 nm laser is used to probe the clock transition of ytterbium atoms trapped in optical lattice sites. We obtain a Fourier-limited 4.2-Hz-linewidth Rabi spectrum and a Ramsey spectrum with fringe linewidth of

Chinese Optics Letters
Jul. 10, 2020, Vol. 18 Issue 7 070201 (2020)
Laser frequency instability of 6 × 10−16 using 10-cm-long cavities on a cubic spacer
Xiaotong Chen... Yanyi Jiang, Bo Li, Hongfu Yu, Haifeng Jiang, Tao Wang, Yuan Yao and Longsheng Ma|Show fewer author(s)

We demonstrate two ultra-stable laser systems at 1064 nm by independently stabilizing two 10-cm-long Fabry–Pérot cavities. The reference cavities are on a cubic spacer, which is rigidly mounted for both low sensitivity to environm

Chinese Optics Letters
Mar. 10, 2020, Vol. 18 Issue 3 030201 (2020)
Scaling law in nonsequential double ionization by counter-rotating two-color circularly polarized laser fields
Mian Peng, and Lihua Bai

Nonsequential double ionization (NSDI) of noble gas atoms in counter-rotating two-color circularly polarized (CRTC) laser fields is investigated. A scaling law is concluded by qualitatively and quantitatively comparing the momentu

Chinese Optics Letters
Nov. 10, 2020, Vol. 18 Issue 11 110201 (2020)
Coulomb potential influence in the attoclock experimental scheme
Zhilei Xiao... Wei Quan, Songpo Xu, Shaogang Yu, Yanlan Wang, Meng Zhao, Mingzheng Wei, Yu Zhou, Xuanyang Lai, Jing Chen and Xiaojun Liu|Show fewer author(s)

Coulomb potential may induce a significant angular offset to the two-dimensional photoelectron momentum distributions for atoms subject to strong elliptically polarized laser fields. In the attoclock experiment, this offset usuall

Chinese Optics Letters
Editors' PickJan. 10, 2020, Vol. 18 Issue 1 010201 (2020)
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