Photonic quantum memory in two-level ensembles based on modulating the refractive index in time: Equivalence to gradient echo memory. Clark, J., Heshami, K., & Simon, C. Physical Review A - Atomic, Molecular, and Optical Physics, 2012.
Photonic quantum memory in two-level ensembles based on modulating the refractive index in time: Equivalence to gradient echo memory [link]Paper  doi  abstract   bibtex   
We present a quantum memory protocol that allows us to store light in ensembles of two-level atoms, e.g., rare-earth-metal ions doped into a crystal, by modulating the refractive index of the host medium of the atoms linearly in time. We show that under certain conditions the resulting dynamics is equivalent to that underlying the gradient echo memory protocol, which relies on a spatial gradient of the atomic resonance frequencies. We discuss the prospects for an experimental implementation. © 2012 American Physical Society.
@Article{Clark2012,
  Title                    = {Photonic quantum memory in two-level ensembles based on modulating the refractive index in time: Equivalence to gradient echo memory},
  Author                   = {Clark, J., Heshami, K., Simon, C.},
  Journal                  = {Physical Review A - Atomic, Molecular, and Optical Physics},
  Year                     = {2012},
  Number                   = {1},
  Volume                   = {86},

  Abstract                 = {We present a quantum memory protocol that allows us to store light in ensembles of two-level atoms, e.g., rare-earth-metal ions doped into a crystal, by modulating the refractive index of the host medium of the atoms linearly in time. We show that under certain conditions the resulting dynamics is equivalent to that underlying the gradient echo memory protocol, which relies on a spatial gradient of the atomic resonance frequencies. We discuss the prospects for an experimental implementation. © 2012 American Physical Society.},
  Affiliation              = {Institute for Quantum Information Science, Department of Physics and Astronomy, University of Calgary, Calgary, AB T2N 1N4, Canada},
  Art_number               = {013833},
  Document_type            = {Article},
  Doi                      = {10.1103/PhysRevA.86.013833},
  Source                   = {Scopus},
  Timestamp                = {2016.03.02},
  Url                      = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84864189787&partnerID=40&md5=084eddd207f603ee76a40bab34003372}
}

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