1 October 1997 Spontaneous emission of rare-earth ions confined in planar multilayer dielectric microcavities
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We investigate theoretically and experimentally the optical properties of planar Ta2O5/SiO2 multilayer structures implanted with rare earth ions such as erbium and praseodymium. We demonstrate that the spontaneous emission can be strongly enhanced in a direction normal to the layers if the luminescent ions are located in the spacer of a resonant Fabry-Perot type microcavity. Nevertheless, we show that a large amount of light is emitted into the guided modes of the planar stack reducing the optical confinement which is likely to be reached within this type of dielectric microcavities.
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Herve Rigneault, Herve Rigneault, Stephanie Robert, Stephanie Robert, Claude Amra, Claude Amra, Frederic Lamarque, Frederic Lamarque, Serge Monneret, Serge Monneret, Bernard Jacquier, Bernard Jacquier, Paul Moretti, Paul Moretti, Anne-Marie Jurdyc, Anne-Marie Jurdyc, A. Belarouci, A. Belarouci, } "Spontaneous emission of rare-earth ions confined in planar multilayer dielectric microcavities", Proc. SPIE 3133, Optical Thin Films V: New Developments, (1 October 1997); doi: 10.1117/12.290182; https://doi.org/10.1117/12.290182

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