Nuclear Spin Cooling Using Overhauser-Field Selective Coherent Population Trapping

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Nuclear Spin Cooling Using Overhauser-Field Selective Coherent Population Trapping

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Title: Nuclear Spin Cooling Using Overhauser-Field Selective Coherent Population Trapping
Author: Issler, Mena; Giedke, Geza; Cirac, Ignacio; Imamoglu, Atac; Lukin, Mikhail D.; Yelin, Susanne; Kessler, Eric M.

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Citation: Issler, Mena, Eric M. Kessler, Geza Giedke, Susanne Yelin, Ignacio Cirac, Mikhail D. Lukin, and Atac Imamoglu. 2010. Nuclear spin cooling using Overhauser-field selective coherent population trapping. Physical Review Letters 105(26): 267202.
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Abstract: We show that a quantum interference effect in optical absorption from two electronic spin states of a solid-state emitter can be used to prepare the surrounding environment of nuclear spins in well-defined states, thereby suppressing electronic spin dephasing. The coupled electron-nuclei system evolves into a coherent population trapping state by optical-excitation-induced nuclear-spin diffusion for a broad range of initial optical detunings. The spectroscopic signature of this evolution where the single-electron strongly modifies its environment is a drastic broadening of the dark resonance in optical absorption experiments. The large difference in electronic and nuclear time scales allows us to verify the preparation of nuclear spins in the desired state.
Published Version: doi:10.1103/PhysRevLett.105.267202
Other Sources: http://arxiv.org/abs/1008.3507
Terms of Use: This article is made available under the terms and conditions applicable to Open Access Policy Articles, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#OAP
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:8251280

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  • FAS Scholarly Articles [7456]
    Peer reviewed scholarly articles from the Faculty of Arts and Sciences of Harvard University
 
 

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