TRAP

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Efficient loading of cesium atoms in a magnetic levitated dimple trap
《Chinese Physics B》2024年第2期324-328,共5页张国庆 冯国胜 李玉清 武寄洲 马杰 
This work was financially supported by the National Natural Science Foundation of China(Grant Nos.62020106014,62175140,12034012,and 92165106);the Natural Science Young Foundation of Shanxi Province(Grant No.202203021212376).
We report a detailed study of magnetically levitated loading of ultracold ^(133)Cs atoms in a dimple trap.The atomic sample was produced in a combined red-detuned optical dipole trap and dimple trap formed by two smal...
关键词：ultracold atom magnetic levitation dimple trap 
Achieving ultracold Bose–Fermi mixture of^(87)Rb and^(40)K with dual dark magnetic-optical-trap被引量：1
《Chinese Physics B》2022年第8期252-257,共6页Jie Miao Guoqi Bian Biao Shan Liangchao Chen Zengming Meng Pengjun Wang Lianghui Huang Jing Zhang 
Project supported by the National Natural Science Foundation of China(Grant Nos.12034011,92065108,11974224,12022406,and 12004229);the National Key Research and Development Program of China(Grant No.2018YFA0307601);the Fund for Shanxi 1331 Project Key Subjects Construction;the Program of Youth Sanjin Scholar。
We demonstrate that dual dark magnetic-optical-traps(MOTs)have great importance in the two-species^(87)Rb and^(40)K mixture compared with dual bright MOTs.The dark MOT has a little improvement in the trapping of singl...
关键词：Bose–Fermi mixture dark magnetic-optical-trap(MOT) Fermi gas hollow beam 
Setup of a dipole trap for all-optical trapping被引量：1
《Chinese Physics B》2021年第5期362-366,共5页Miao Wang Zheng Chen Yao Huang Hua Guan Ke-Lin Gao 
the National Key Research and Development Program of China(Grant Nos.2018YFA0307500 and 2017YFA0304401);the National Natural Science Foundation of China(Grant Nos.11634013 and 11774388);the Strategic Priority Research Program of the Chinese Academy of Sciences(Grant No.XDB21030100);the CAS Youth Innovation Promotion Association(Grant Nos.2018364 and Y201963);the Science Fund for Distinguished Young Scholars of Hubei Province,China(Grant No.2017CFA040);the K.C.Wong Education Foundation(Grant No.GJTD-2019-15).
Micromotion induced by the radio-frequency field contributes greatly to the systematic frequency shifts of optical frequency standards.Although different strategies for mitigating this effect have been proposed,trappi...
关键词：dipole trap AC-Stark shift trap depth all-optical trapping 
Enhanced optical molasses cooling for Cs atoms with largely detuned cooling lasers
《Chinese Physics B》2020年第2期249-253,共5页Di Zhang Yu-Qing Li Yun-Fei Wang Yong-Ming Fu Peng Li Wen-Liang Liu Ji-Zhou Wu Jie Ma Lian-Tuan Xiao Suo-Tang Jia 
Project supported by the National Key Research and Development Program of China(Grant No.2017YFA0304203);the National Natural Science Foundation of China(Grant Nos.61722507,61675121,and 61705123);PCSIRT(Grant No.IRT17R70);the 111 Project(Grant No.D18001);the Shanxi 1331 KSC,the Program for the Outstanding Innovative Teams of Higher Learning Institutions of Shanxi(OIT),the Applied Basic Research Project of Shanxi Province,China(Grant No.201701D221002);the Fund Program for the Scientific Activities of Selected Returned Overseas Professionals in Shanxi Province;the Open Research Fund Program of the State Key Laboratory of Low-Dimensional Quantum Physics.
We report a detailed study of the enhanced optical molasses cooling of Cs atoms,whose large hyperfine structure allows to use the largely red-detuned cooling lasers.We find that the combination of a large frequency de...
关键词：optical MOLASSES frequency DETUNING MAGNETO-OPTICAL TRAP laser COOLING 
Expansion dynamics of a spherical Bose–Einstein condensate被引量：1
《Chinese Physics B》2019年第10期478-482,共5页Rui-Zong Li Tian-You Gao Dong-Fang Zhang Shi-Guo Peng Ling-Ran Kong Xing Shen Kai-Jun Jiang 
Project supported by the National Key Research and Development Program of China(Grant No.2016YFA0301503);the National Natural Science Foundation of China(Grant Nos.11674358,11434015,and 11474315);Chinese Academy of Sciences(Grant No.YJKYYQ20170025)
We experimentally and theoretically observe the expansion behaviors of a spherical Bose-Einstein condensate. A rubidium condensate is produced in an isotropic optical dipole trap with an asphericity of 0.037. We measu...
关键词：BOSE-EINSTEIN CONDENSATE SPHERICAL TRAP free EXPANSION 
Optimization of a magneto–optic trap using nanofibers被引量：2
《Chinese Physics B》2019年第7期198-201,共4页Xin Wang Li-Jun Song Chen-Xi Wang Peng-Fei Zhang Gang Li Tian-Cai Zhang 
Project supported by the National Key Research and Development Program of China(Grant No.2017YFA0304502);the National Natural Science Foundation of China(Grant Nos.11574187,11634008,11674203,and 61227902);the Fund for Shanxi “1331 Project”,China
We experimentally demonstrate a reliable method based on a nanofiber to optimize the number of cold atoms in a magneto–optical trap(MOT) and to monitor the MOT in real time.The atomic fluorescence is collected by a n...
关键词：NANOFIBER magneto–optic TRAP OPTIMIZATION fluorescence efficient coupling 
Cavity enhanced measurement of trap frequency in an optical dipole trap被引量：1
《Chinese Physics B》2019年第4期165-169,共5页Peng-Fei Yang Hai He Zhi-Hui Wang Xing Han Gang Li Peng-Fei Zhang Tian-Cai Zhang 
Project supported by the National Key Research and Development Program of China(Grant No.2017YFA0304502);the National Natural Science Foundation of China(Grant Nos.11634008,11674203,11574187,and 61227902);the Fund for Shanxi "1331 Project" Key Subjects Construction
We demonstrate a direct, fluorescence-free measurement of the oscillation frequency of cold atoms in an optical dipole trap based on a high-finesse optical cavity strongly coupled to atoms. The parametric heating spec...
关键词：CAVITY QED OSCILLATION FREQUENCY 
Realizing photomultiplication-type organic photodetectors based on C_(60)-doped bulk heterojunction structure at low bias被引量：1
《Chinese Physics B》2019年第3期373-380,共8页Wei Gong Tao An Xinying Liu Gang Lu 
supported by the National Natural Science Foundation of China(Grant No.61106043);the Natural Science Foundation of Shaanxi Province,China(Grant No.2015JM6267);Program of Xi’an University of Technology,China(Grant No.103-4515013)
Photomultiplication(PM) structure has been widely employed to improve the optoelectronic performance of organic photodetectors(OPDs). However, most PM-type OPDs require a high negative operating voltage or complex fab...
关键词：organic PHOTODETECTOR photomultiplication electron TRAP space charge TUNNELING effect 
Comparison of single-neutral-atom qubit between in bright trap and in dark trap
《Chinese Physics B》2019年第2期192-196,共5页Ya-Li Tian Zhi-Hui Wang Peng-Fei Yang Peng-Fei Zhang Gang Li Tian-Cai Zhang 
Project supported by the National Key Research and Development Program of China(Grant No.2017YFA0304502);the National Natural Science Foundation of China(Grant Nos.11634008,11674203,11574187,and 61227902);the Fund for Shanxi "1331 Project" Key Subjects Construction,Shanxi Province,China
A single neutral atom is one of the most promising candidates to encode a quantum bit(qubit). In a real experiment, a single neutral atom is always confined in a micro-sized far off-resonant optical trap(FORT). There ...
关键词：SINGLE QUBIT laser TRAPPING coherence time 
Optimization of endcap trap for single-ion manipulation
《Chinese Physics B》2018年第6期280-284,共5页Yuan Qian Chang-Da-Ren Fang Yao Huang Hua Guan and Ke-Lin Gao 
supported by the National Key Research and Development Program of China(Grant No.2017YFA0304401);the National Development Project for Major Scientific Research Facility,China(Grant No.ZDYZ2012-2);the National Natural Science Foundation of China(Grant Nos.91336211 11634013,11474318,and 11622434);the Strategic Priority Research Program of the Chinese Academy of Sciences(Grant No.XDB21030100);the Hubei Provincial Science Fund for Distinguished Young Scholars,China(Grant No.2017CFA040);the Youth Innovation Promotion Association,Chinese Academy of Sciences(Grant No.2015274)
Potential distribution is an important characteristic for evaluating the performance of an ion trap. Here, we analyze and optimize the potential distribution of an endcap ion trap for single-ion trapping.We obtain an ...
关键词：endcap ion trap potential analysis parameter optimization 
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