Room-temperature photoluminescence from erbium-doped multilayer porous silicon microcavity

A multilayer microcavity was electrochemically etched on a silicon substrate and doped with erbium. Thermal processing under a nitrogen atmosphere optically activated the erbium-ions. Photo-pumping yielded room temperature emission around 1.54 μm from the erbium-doped samples with the emitted light...

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Bibliographic Details
Published in:Materials science & engineering. B, Solid-state materials for advanced technology Solid-state materials for advanced technology, 2001-04, Vol.81 (1), p.40-42
Main Authors: Zhou, Y., Snow, P.A., Russell, P.St.J.
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Erbium
Exact sciences and technology
Microcavity
Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation
Photoluminescence
Physics
Porous
Porous materials
Silicon
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Summary:A multilayer microcavity was electrochemically etched on a silicon substrate and doped with erbium. Thermal processing under a nitrogen atmosphere optically activated the erbium-ions. Photo-pumping yielded room temperature emission around 1.54 μm from the erbium-doped samples with the emitted light strongly modified by the microcavity structure. Emission spectra with a peak at 1.536 μm had a full width at half maximum of ∼6 nm.
ISSN:0921-5107
1873-4944
DOI:10.1016/S0921-5107(00)00688-7