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Journal articles on the topic 'Magneto-optical traps'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 April 2022

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1

Mariotti, E., L. Moi, G. Batignani, A. Khanbekyan, C. Marinelli, L. Marmugi, L. Corradi, et al. "MAGNETO-OPTICAL TRAPS FOR FUNDAMENTAL MEASUREMENTS." Journal of the Siena Academy of Sciences 3, no. 1 (August 20, 2012): 51. http://dx.doi.org/10.4081/jsas.2011.51.

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2

Gabbanini, C., A. Evangelista, S. Gozzini, A. Lucchesini, A. Fioretti, J. H. Müller, M. Colla, and E. Arimondo. "Scaling laws in magneto-optical traps." Europhysics Letters (EPL) 37, no. 4 (February 1, 1997): 251–56. http://dx.doi.org/10.1209/epl/i1997-00139-0.

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3

Gattobigio, G. L., T. Pohl, G. Labeyrie, and R. Kaiser. "Scaling laws for large magneto-optical traps." Physica Scripta 81, no. 2 (February 2010): 025301. http://dx.doi.org/10.1088/0031-8949/81/02/025301.

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4

Fort, C., A. Bambini, L. Cacciapuoti, F. S. Cataliotti, M. Prevedelli, G. M. Tino, and M. Inguscio. "Cooling mechanisms in potassium magneto-optical traps." European Physical Journal D - Atomic, Molecular and Optical Physics 3, no. 2 (August 1, 1998): 113–18. http://dx.doi.org/10.1007/s100530050154.

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5

Felinto, D., and S. S. Vianna. "Orbital modes in low-density magneto-optical traps." Journal of the Optical Society of America B 17, no. 5 (May 1, 2000): 681. http://dx.doi.org/10.1364/josab.17.000681.

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6

Band, Y. B., I. Tuvi, K. A. Suominen, K. Burnett, and P. S. Julienne. "Loss from magneto-optical traps in strong laser fields." Physical Review A 50, no. 4 (October 1, 1994): R2826—R2829. http://dx.doi.org/10.1103/physreva.50.r2826.

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7

Pollock, S., J. P. Cotter, A. Laliotis, F. Ramirez-Martinez, and E. A. Hinds. "Characteristics of integrated magneto-optical traps for atom chips." New Journal of Physics 13, no. 4 (April 19, 2011): 043029. http://dx.doi.org/10.1088/1367-2630/13/4/043029.

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8

Arnold, A. S., and P. J. Manson. "Atomic density and temperature distributions in magneto-optical traps." Journal of the Optical Society of America B 17, no. 4 (April 1, 2000): 497. http://dx.doi.org/10.1364/josab.17.000497.

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9

Eriksson, S., F. Ramirez-Martinez, E. A. Curtis, B. E. Sauer, P. W. Nutter, E. W. Hill, and E. A. Hinds. "Micron-sized atom traps made from magneto-optical thin films." Applied Physics B 79, no. 7 (September 29, 2004): 811–16. http://dx.doi.org/10.1007/s00340-004-1655-7.

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10

Shu-Yu, Zhou, Xu Zhen, Zhou Shan-Yu, and Wang Yu-Zhu. "Abnormal Phenomenon of ac Stark splitting in Magneto-Optical Traps." Chinese Physics Letters 22, no. 7 (June 16, 2005): 1672–75. http://dx.doi.org/10.1088/0256-307x/22/7/031.

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11

Terças, H., J. T. Mendonça, and R. Kaiser. "Driven collective instabilities in magneto-optical traps: A fluid-dynamical approach." EPL (Europhysics Letters) 89, no. 5 (March 1, 2010): 53001. http://dx.doi.org/10.1209/0295-5075/89/53001.

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12

Grabowski, A., and T. Pfau. "A lattice of magneto-optical and magnetic traps for cold atoms." European Physical Journal D 22, no. 3 (March 2003): 347–54. http://dx.doi.org/10.1140/epjd/e2003-00047-3.

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13

Haubrich, D., H. Schadwinkel, F. Strauch, B. Ueberholz, R. Wynands, and D. Meschede. "Observation of individual neutral atoms in magnetic and magneto-optical traps." Europhysics Letters (EPL) 34, no. 9 (June 20, 1996): 663–68. http://dx.doi.org/10.1209/epl/i1996-00512-5.

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14

McGilligan, J. P., P. F. Griffin, E. Riis, and A. S. Arnold. "Phase-space properties of magneto-optical traps utilising micro-fabricated gratings." Optics Express 23, no. 7 (March 31, 2015): 8948. http://dx.doi.org/10.1364/oe.23.008948.

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15

Pollock, S., J. P. Cotter, A. Laliotis, and E. A. Hinds. "Integrated magneto-optical traps on a chip using silicon pyramid structures." Optics Express 17, no. 16 (July 29, 2009): 14109. http://dx.doi.org/10.1364/oe.17.014109.

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16

Bober, M., J. Zachorowski, W. Gawlik, P. Morzyński, M. Zawada, D. Lisak, A. Cygan, et al. "Precision spectroscopy of cold strontium atoms, towards optical atomic clock." Bulletin of the Polish Academy of Sciences: Technical Sciences 60, no. 4 (December 1, 2012): 707–10. http://dx.doi.org/10.2478/v10175-012-0082-x.

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Abstract This report concerns the experiment of precision spectroscopy of cold strontium atoms in the Polish National Laboratory of Atomic, Molecular and Optical Physics in Toruń. The system is composed of a Zeeman slower and magneto-optical traps (at 461 nm and 689 nm), a frequency comb, and a narrow-band laser locked to an ultra-stable optical cavity. All parts of the experiment are prepared and the first measurements of the absolute frequency of the 1S0-3P1, 689 nm optical transition in 88Sr atoms are performed.

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17

Karpa, Leon. "Interactions of Ions and Ultracold Neutral Atom Ensembles in Composite Optical Dipole Traps: Developments and Perspectives." Atoms 9, no. 3 (July 4, 2021): 39. http://dx.doi.org/10.3390/atoms9030039.

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Ion–atom interactions are a comparatively recent field of research that has drawn considerable attention due to its applications in areas including quantum chemistry and quantum simulations. In first experiments, atomic ions and neutral atoms have been successfully overlapped by devising hybrid apparatuses combining established trapping methods, Paul traps for ions and optical or magneto-optical traps for neutral atoms, respectively. Since then, the field has seen considerable progress, but the inherent presence of radiofrequency (rf) fields in such hybrid traps was found to have a limiting impact on the achievable collision energies. Recently, it was shown that suitable combinations of optical dipole traps (ODTs) can be used for trapping both atoms and atomic ions alike, allowing to carry out experiments in absence of any rf fields. Here, we show that the expected cooling in such bichromatic traps is highly sensitive to relative position fluctuations between the two optical trapping beams, suggesting that this is the dominant mechanism limiting the currently observed cooling performance. We discuss strategies for mitigating these effects by using optimized setups featuring adapted ODT configurations. This includes proposed schemes that may mitigate three-body losses expected at very low temperatures, allowing to access the quantum dominated regime of interaction.

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18

MENDONÇA, J. T., J. LOUREIRO, and H. TERÇAS. "Waves in Rydberg plasmas." Journal of Plasma Physics 75, no. 6 (April 16, 2009): 713–19. http://dx.doi.org/10.1017/s0022377809007971.

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AbstractWe define as the Rydberg plasma the weakly ionized gas produced in magneto-optical traps. In such a plasma, the neutral atoms can be excited in Rydberg states. Wave propagation in Rydberg plasmas and the mutual influence of plasma dispersion and atomic dispersion are considered. New dispersion relations are established, showing new instability regimes and new cut-off frequencies.

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19

Hemmerling, Boerge, Garrett K. Drayna, Eunmi Chae, Aakash Ravi, and John M. Doyle. "Buffer gas loaded magneto-optical traps for Yb, Tm, Er and Ho." New Journal of Physics 16, no. 6 (June 30, 2014): 063070. http://dx.doi.org/10.1088/1367-2630/16/6/063070.

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20

Bagnato, V. S., N. P. Bigelow, L. G. Marcassa, and S. C. Zilio. "Observation of Double Stable Clouds of Cold Atoms in Magneto-Optical Traps." Japanese Journal of Applied Physics 35, Part 1, No. 9A (September 15, 1996): 4664–67. http://dx.doi.org/10.1143/jjap.35.4664.

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21

Guedes, I., H. F. Silva Filho, and F. D. Nunes. "Theoretical analysis of the spatial structures of atoms in magneto-optical traps." Physical Review A 55, no. 1 (January 1, 1997): 561–67. http://dx.doi.org/10.1103/physreva.55.561.

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22

Yan, Hui, Guo-Qing Yang, Tao Shi, Jin Wang, and Ming-Sheng Zhan. "Experimental demonstration of controllable double magneto-optical traps on an atom chip." Journal of the Optical Society of America B 25, no. 10 (September 18, 2008): 1667. http://dx.doi.org/10.1364/josab.25.001667.

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23

Felinto, D., H. Regehr, J. W. R. Tabosa, and S. S. Vianna. "Fluctuations in ball- and ring-shaped magneto-optical traps at low densities." Journal of the Optical Society of America B 18, no. 10 (October 1, 2001): 1410. http://dx.doi.org/10.1364/josab.18.001410.

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24

Madsen, D. N., and J. W. Thomsen. "Measurement of absolute photo-ionization cross sections using magnesium magneto-optical traps." Journal of Physics B: Atomic, Molecular and Optical Physics 35, no. 9 (April 24, 2002): 2173–81. http://dx.doi.org/10.1088/0953-4075/35/9/314.

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25

Sun, Xiao, William D. A. Rickard, Ben M. Sparkes, Ben R. White, Rachel F. Offer, Andre N. Luiten, and Charlie N. Ironside. "Rapid prototyping of grating magneto-optical traps using a focused ion beam." Optics Express 29, no. 23 (October 29, 2021): 37733. http://dx.doi.org/10.1364/oe.439479.

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26

Xu, S., P. Kaebert, M. Stepanova, T. Poll, M. Siercke, and S. Ospelkaus. "Maximizing the capture velocity of molecular magneto-optical traps with Bayesian optimization." New Journal of Physics 23, no. 6 (June 1, 2021): 063062. http://dx.doi.org/10.1088/1367-2630/ac06e6.

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27

Dolovova, Oksana A., and Michael E. Gorbunov. "SYSTEMS OF DIATOMIC POLAR MOLECULES IN ONE-DIMENSIONAL GEOMETRY OF OPTICAL AND MAGNETO-OPTICAL TRAPS." Bulletin of the Moscow State Regional University (Physics and Mathematics), no. 4 (2021): 86–95. http://dx.doi.org/10.18384/2310-7251-2021-4-86-95.

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28

Ram, Surjya Prakash, S. K. Tiwari, and S. R. Mishra. "A Comparison of Pulsed and Continuous Atom Transfer between Two Magneto-optical Traps." Journal of the Korean Physical Society 57, no. 5 (November 15, 2010): 1303–7. http://dx.doi.org/10.3938/jkps.57.1303.

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29

Hu, Jianjun, Jianping Yin, and Jianjun Hu. "Double-well surface magneto-optical traps for neutral atoms in a vapor cell." Journal of the Optical Society of America B 22, no. 5 (May 1, 2005): 937. http://dx.doi.org/10.1364/josab.22.000937.

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30

Marcassa, L. G., G. D. Telles, and S. R. Muniz. "Photoassociative ionization using two independent colors in a sodium-vapor-cell magneto-optical traps." Physical Review A 60, no. 2 (August 1, 1999): 1305–10. http://dx.doi.org/10.1103/physreva.60.1305.

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31

Moriya, P. H., M. O. Araújo, F. Todão, M. Hemmerling, H. Keßler, R. F. Shiozaki, R. Celistrino Teixeira, and Ph W. Courteille. "Comparison between 403 nm and 497 nm repumping schemes for strontium magneto-optical traps." Journal of Physics Communications 2, no. 12 (December 19, 2018): 125008. http://dx.doi.org/10.1088/2399-6528/aaf662.

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32

Atutov, S. N., R. Calabrese, A. Facchini, G. Stancari, and L. Tomassetti. "Experimental study of vapor-cell magneto-optical traps for efficient trapping of radioactive atoms." European Physical Journal D 53, no. 1 (February 18, 2009): 89–96. http://dx.doi.org/10.1140/epjd/e2009-00060-6.

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33

Sagna, N., G. Dudle, and P. Thomann. "The capture process in spherical magneto-optical traps: experiment and 1D magnetic field models." Journal of Physics B: Atomic, Molecular and Optical Physics 28, no. 15 (August 14, 1995): 3213–24. http://dx.doi.org/10.1088/0953-4075/28/15/013.

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34

Larionov, Andrey V., and Alexander I. Il'in. "Electron Spin Lifetime Control in GaAs Quantum Well by Means of Electrically Induced Lateral Traps." Solid State Phenomena 213 (March 2014): 96–100. http://dx.doi.org/10.4028/www.scientific.net/ssp.213.96.

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Experimental research has been made into coherent spin dynamics of electrons localized in GaAs quantum well planes using an electrically controlled potential. A localizing potential was created by means of a metal gate with submicron windows deposited on the sample surface. The photo-induced magneto-optical Kerr effect was used to study the dependence of electron spin lifetime as a function of temperature, applied bias and magnetic field for gates with various sets of windows. It has been shown that the electrically controlled laterally localizing potential can be used to smoothly vary electron spin lifetime from several hundreds of picoseconds to several tens of nanoseconds. The obtained dependence of spin electron relaxation time on the size of the lateral localization region is in good qualitative agreement with the theoretical prediction.

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35

Willems, P. A., R. A. Boyd, J. L. Bliss, and K. G. Libbrecht. "Stability of Magneto-optical Traps with Large Field Gradients: Limits on the Tight Confinement of Single Atoms." Physical Review Letters 78, no. 9 (March 3, 1997): 1660–63. http://dx.doi.org/10.1103/physrevlett.78.1660.

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36

Yavin, I., T. Mikaelian, and A. Kumarakrishnan. "Calculation of the transfer efficiency between dual magneto-optical traps and simulation of a Ioffe trap for BoseEinstein condensation." Canadian Journal of Physics 81, no. 4 (April 1, 2003): 651–61. http://dx.doi.org/10.1139/p03-050.

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We consider the problem of transferring a cold atomic cloud from a low-vacuum chamber to an ultra-high-vacuum (UHV) chamber, where it can be recaptured and cooled to the transition temperature for BoseEinstein condensation (BEC). Our calculation assumes an initial MaxwellBoltzmann velocity distribution for the thermal cloud and a Gaussian spatial density distribution that is characteristic of magneto-optical traps (MOTs). Using a coordinate transformation we find the density of the recaptured atomic cloud as a function of time. This allows us to investigate the effect of experimental parameters on the transfer efficiency. These parameters include the distance of separation between the two chambers, the duration of the initial on-resonant laser used to push the thermal cloud, and the initial cloud temperature. We also present numerical simulations of the magnetic field due to a simplified IoffePritchard (IP) trap that has recently been used to obtain BEC using laser-cooling techniques. This trap converts a quadrupole magnetic field into an IP configuration using the magnetic field of a conical solenoid placed orthogonally to the axis of symmetry of a pair of quadrupole coils. Our results are suitable for small experimental groups interested in achieving BEC. PACS No.: 03.75

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37

Bai, Wen-Jie, Dong Yan, Hai-Yan Han, Shuo Hua, and Kai-Hui Gu. "Correlated dynamics of three-body Rydberg superatoms." Acta Physica Sinica 71, no. 1 (2022): 014202. http://dx.doi.org/10.7498/aps.71.20211284.

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Owing to the long lifetime of Rydberg atom, easy to operate and easy to control the interaction between Rydberg atoms, Rydberg atom has attracted considerable attention in quantum information and quantum optics fields. Specially, the anti-blockade effect, as a physical resource, can be used to implement various tasks in quantum information processing. Based on the rigid dipole blockade, an ensemble of two-level Rydberg atoms trapped in three magneto-optical traps can be regarded as a superatom. Based on the superatom model, the in-phase and anti-phase dynamics of the three-body Rydberg superatoms are studied by adjusting the numbers of atoms, and the W state and two kinds of maximal entangled states are generated simultaneously. Our work has great potential applications in coherent manipulation and quantum information processing.The numerical simulations are performed based on the superatom model and thereby the formidable obstacle that the Hilbert space dimension grows exponentially with the particle number increasing can be completely removed. As a result, the quantum control and quantum entanglement can be achieved from the single-quanta level to the mesoscopic level.

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38

Qiuzhi Qu, Qiuzhi Qu, Bin Wang Bin Wang, Desheng Lü Desheng Lü, Jianbo Zhao Jianbo Zhao, Meifeng Ye Meifeng Ye, Wei Ren Wei Ren, Jingfeng Xiang Jingfeng Xiang, and Liang Liu Liang Liu. "Integrated design of a compact magneto-optical trap for space applications." Chinese Optics Letters 13, no. 6 (2015): 061405–61408. http://dx.doi.org/10.3788/col201513.061405.

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39

Xueshu Yan, Xueshu Yan, Chenfei Wu Chenfei Wu, Jiaqiang Huang Jiaqiang Huang, Jianwei Zhang Jianwei Zhang, and and Lijun Wang and Lijun Wang. "Velocity-tunable cold Cs atomic beam from a magneto-optical trap." Chinese Optics Letters 15, no. 4 (2017): 040202–40205. http://dx.doi.org/10.3788/col201715.040202.

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40

Zhujun Zhang, Zhujun Zhang, Zhonghua Ji Zhonghua Ji, Zhonghao Li Zhonghao Li, Jinpeng Yuan Jinpeng Yuan, Yanting Zhao Yanting Zhao, Liantuan Xiao Liantuan Xiao, and and Suotang Jia and Suotang Jia. "Space-adjustable dark magneto-optical trap for efficient production of heteronuclear molecules." Chinese Optics Letters 13, no. 11 (2015): 110201–5. http://dx.doi.org/10.3788/col201513.110201.

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41

Baodong Yang, Baodong Yang, Jie Wang Jie Wang, and and Junmin Wang and Junmin Wang. "Two-color cesium magneto-optical trap with a ladder-type atomic system." Chinese Optics Letters 14, no. 4 (2016): 040201–40205. http://dx.doi.org/10.3788/col201614.040201.

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42

Wen Yan, Wen Yan, Yuan Yao Yuan Yao, Yuxin Sun Yuxin Sun, Hoyt W. Chad Hoyt W. Chad, Yanyi Jiang Yanyi Jiang, and Longsheng Ma Longsheng Ma. "Zeeman slowing atoms using the magnetic field from a magneto-optical trap." Chinese Optics Letters 17, no. 4 (2019): 040201. http://dx.doi.org/10.3788/col201917.040201.

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43

Jie Wang, Jie Wang, Guang Yang Guang Yang, Jun He Jun He, and and Junmin Wang and Junmin Wang. "Two-color cesium magneto-optical trap with 6S1/2-6P3/2-7S1/2 (852 nm?+?1470 nm) ladder-type system." Chinese Optics Letters 15, no. 5 (2017): 050203–50207. http://dx.doi.org/10.3788/col201715.050203.

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44

Wei, X., Z. V. Vardeny, E. Ehrenfreund, D. Moses, and Y. Cao. "Magneto-optical characterization of excited states in short trans chains of partially isomerized polyacetylene." Synthetic Metals 54, no. 1-3 (March 1993): 321–26. http://dx.doi.org/10.1016/0379-6779(93)91077-f.

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45

Lemke, James U. "Magnetic Storage: Principles and Trends." MRS Bulletin 15, no. 3 (March 1990): 31–35. http://dx.doi.org/10.1557/s0883769400060152.

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Magnetic recording can store digital information at an areal density well beyond the fundamental density-limit of optical systems. The central problems in achieving high trans-optical information density with magnetic recording reside primarily in the materials area. In addition to improved magnetic properties, such as head materials with high saturation magnetization and recording media with low noise and high coercivity, tribological considerations impose constraints on the ultimate density that will be attained. The exponential loss of signal due to spacing between the head and recording medium is inherent in all magnetic recording, necessitating the development of durable quasi-contact interfaces.Magnetic recording is the universal technology for electronic information mass storage. Its presence is ubiquitous as audio tapes, VCRs, floppy disks, computer hard disks, credit cards, etc. Sales of magnetic recording products exceed $50 billion annually, with strong growth projected into the foreseeable future. A steady progression in storage density and corresponding reduction in cost has characterized all phases of magnetic recording; the literature is replete with historical and projective curves showing cost and density numbers. Computer disk file memories have doubled in areal density every 2.5 years for about the past 30 years. Although many competing technologies have been proposed through the years, none has been able to displace or even significantly impact magnetic recording. The first challenge was thermoplastic recording, followed by at least three resurrections of magneto-optic recording, bubbles, semiconductors, and various nonmagnetic optical storage devices.

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46

Jicheng Wang, 王继成, 王月媛 Yueyuan Wang, 王跃科 Yueke Wang, 方光宇 Guangyu Fang, and 刘树田 Shutian Liu. "Measurements of total absolute collision cross section of ultracold Rb atom using magneto-optic and pure magnetic traps." Chinese Optics Letters 9, no. 6 (2011): 060201–60204. http://dx.doi.org/10.3788/col201109.060201.

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47

Bury, Peter, Marek Veveričík, František Černobila, Peter Kopčanský, Milan Timko, and Vlasta Závišová. "Study of Structural Changes in Nematic Liquid Crystals Doped with Magnetic Nanoparticles Using Surface Acoustic Waves." Crystals 10, no. 11 (November 10, 2020): 1023. http://dx.doi.org/10.3390/cryst10111023.

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The surface acoustic waves (SAWs) were used to study the effect of magnetic nanoparticles on nematic liquid crystal (NLC) behavior in weak magnetic and electric fields. The measurement of the attenuation of SAW propagating along the interface between piezoelectric substrate and liquid crystal is showed as an effective tool to study processes of structural changes. The magnetic nanoparticles Fe3O4 of nanorod shape and different low volume concentration were added to the NLC (4-(trans-4′-n-hexylcyclohexyl)-isothiocyanatobenzene (6CHBT)) during its isotropic phase. In contrast to undoped liquid crystals the distinctive different SAW attenuation responses induced by both magnetic and also electric fields in studied NLC samples were observed suggesting both structural changes and the orientational coupling between both magnetic and electric moments of nanoparticles and the director of the NLC molecules. Experimental measurements including the investigation under linearly increasing and/or jumped magnetic and electrical fields, respectively, as well as the investigation of temperature and time influences on structural changes were done. The investigation of the SAW anisotropy gives supplemental information about the internal structure of nanoparticles in investigated NLCs. In addition, some magneto-optical investigations were performed to support SAW results and study their stability and switching time. The analysis of observed SAW attenuation characteristics confirmed the role of concentration of magnetic nanoparticles on the resultant behavior of investigated NLC compounds. Obtained results are discussed within the context of previous ones. The theoretical background of the presented SAW investigation is introduced, too.

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48

Youn, Seo Ho, Mingwu Lu, Ushnish Ray, and Benjamin L. Lev. "Dysprosium magneto-optical traps." Physical Review A 82, no. 4 (October 21, 2010). http://dx.doi.org/10.1103/physreva.82.043425.

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49

Jarvis, K. N., B. E. Sauer, and M. R. Tarbutt. "Characteristics of unconventional Rb magneto-optical traps." Physical Review A 98, no. 4 (October 25, 2018). http://dx.doi.org/10.1103/physreva.98.043432.

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50

Snigirev, S., A. J. Park, A. Heinz, I. Bloch, and S. Blatt. "Fast and dense magneto-optical traps for strontium." Physical Review A 99, no. 6 (June 20, 2019). http://dx.doi.org/10.1103/physreva.99.063421.

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