1.5 &#956;m photoluminescence of Er<sup>3+</sup> in opal based photonic crystals

G. Emelchenko; E. Steinman; V. Masalov; A. Tereshchenko; A. Bazhenov; A. Grishin

doi:10.1117/12.778981

6 May 2008 1.5 μm photoluminescence of Er³⁺ in opal based photonic crystals

G. Emelchenko, E. Steinman, V. Masalov, A. Tereshchenko, A. Bazhenov, A. Grishin

Proceedings Volume 6989, Photonic Crystal Materials and Devices VIII; 69890P (2008) https://doi.org/10.1117/12.778981
Event: SPIE Photonics Europe, 2008, Strasbourg, France

Abstract

The study of the emission properties of opal-erbium oxide nanocomposites in the wide range of erbium concentrations was carried out. Erbium oxide concentration was varied from 0.25 to 16%wt. Maximal output of the photoluminescence (PL) took place at 1%wt of erbium oxide concentration. It was shown that the annealing temperatures from 600 to 900°C were too low to exhibit sufficient emission properties of the erbium-opal composites. The presence of the erbium silicates Er₂SiO₅ and Er₂Si₂O₇ in the opal-erbium nanocomposites was revealed by X-ray phase analysis. Amorphous silica in opal matrix was not crystallized at the annealing during a few hours at 1000 - 1200°C. The case of the tens hours of annealing the crystoballite phase occurred. No angle dependence of the PL intensity was observed as a result of degradation of the photonic band gap (PBG) at the annealing of the opal-erbium oxide nanocomposites. Further modification of the material processing to achieve a strong photonic band gap reflection peak near 1550 nm with high PL intensity in the opal-Er₂O₃ composite is running.

Citation Download Citation

G. Emelchenko, E. Steinman, V. Masalov, A. Tereshchenko, A. Bazhenov, and A. Grishin "1.5 μm photoluminescence of Er³⁺ in opal based photonic crystals", Proc. SPIE 6989, Photonic Crystal Materials and Devices VIII, 69890P (6 May 2008); https://doi.org/10.1117/12.778981

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