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Characterization of a two-color magneto-optical trap for a spin-squeezed optical lattice clock

Author(s)
Yu, QinQin
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Alternative title
Characterization of a two-color MOT for a spin-squeezed optical lattice clock
Other Contributors
Massachusetts Institute of Technology. Department of Physics.
Advisor
Vladan Vuletić.
Terms of use
M.I.T. theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. See provided URL for inquiries about permission. http://dspace.mit.edu/handle/1721.1/7582
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Abstract
We experimentally realize a magneto-optical trap (MOT) for ytterbium that simultaneously scatters light from two atomic transitions, in order to reduce the minimum magnetic field gradient required for trapping atoms. From the experimental data, we propose a model of the MOT where one transition is responsible for trapping the atoms the other transition is responsible for cooling the atoms. In order to test this model and to better understand the dynamics of this two-color MOT, we perform numerical simulations of the contributions of each transition to the steady-state number of trapped atoms. We then compare the results of the simulations with the experimental results and conclude that the model of the separated trapping and cooling functions is a good model for the two-color MOT. Finally, we examine other elements for which the two-color MOT is possible and derive a condition for the linewidths of the two transitions such that the atoms are trapped.
Description
Thesis: S.B., Massachusetts Institute of Technology, Department of Physics, 2015.
 
Cataloged from PDF version of thesis.
 
Includes bibliographical references (pages 57-58).
 
Date issued
2015
URI
http://hdl.handle.net/1721.1/100323
Department
Massachusetts Institute of Technology. Department of Physics
Publisher
Massachusetts Institute of Technology
Keywords
Physics.

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