Magnetoelectric emission in a magnetic ferroelectric Er-doped (Ba,Sr)TiO3

Y. Shimada, M. Matsubara, Y. Kaneko, J. P. He, Y. Tokura

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21 Citations (Scopus)


As the system where both space-inversion and time-reversal symmetries are broken simultaneously, the authors have investigated an Er3+-doped ferroelectric (Ba, Sr)TiO3 single crystal under magnetic field, in which the luminescent magnetic Er3+ ion occupies a noncentrosymmetric site. The k-directional dichroism, termed the optical magnetoelectric (OME) effect, was verified in the 4I13/24I15/2 emission (λ ∼ 1.55 μm) by the reversal of magnetic field and spontaneous polarization. The observed nonreciprocity ΔI/I∼0.5% at 3000 Oe implies the possibility of the application of the OME effect to the function of an optical isolator.

Original languageEnglish
Article number101112
JournalApplied Physics Letters
Issue number10
Publication statusPublished - 2006
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


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