Luminescence in the 1.54 µm region for erbium in two-dimensional and three-dimensional mesoscopic structures |
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| Authors: | N. V. Gaponenko G. K. Malyarevich A. V. Mudryi O. B. Gusev M. V. Stepikhova M. Yu. Tsvetkov S. M. Kleshcheva M. I. Samoilovich A. P. Stupak |
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| Affiliation: | (1) Belorussian State University of Information Science and Electronics, 6 ul. P. Brovki, Minsk, 220013;(2) A. F. Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. Petersburg;(3) Institute for Physics of Microstructures, Russian Academy of Sciences, Nizhnii Novgorod;(4) Tekhnomash Central Scientific and Technical Institute, Moscow, Russia;(5) Institute of Molecular and Atomic Physics, National Academy of Sciences of Belarus, Minsk |
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| Abstract: | We have studied the luminescence and luminescence excitation spectra of erbium in the 1.54 μm region in titanium oxide and silicon oxide xerogels, formed in the mesoscopic pores of three-dimensional synthetic opals and two-dimensional porous aluminum oxide structures. For erbium-doped titanium oxide films formed in opal, in contrast to analogous films on porous aluminum oxide, in the luminescence excitation spectra we observe an intense broad band with a maximum in the ∼360 nm region. We discuss the possible nature of this band. __________ Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 74, No. 5, pp. 622–626, September–October, 2007. |
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| Keywords: | sol-gel opal erbium luminescence porous anodic aluminum oxide |
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