| Issue |
Eur. Phys. J. AP
Volume 7, Number 1, July 1999
|
|
|---|---|---|
| Page(s) | 59 - 63 | |
| DOI | https://doi.org/10.1051/epjap:1999199 | |
| Published online | 15 July 1999 | |
https://doi.org/10.1051/epjap:1999199
Microcavity effect on dye impregnated porous silicon samples
1
Laboratoire de Spectrométrie
Physique, Université J. Fourier (UMR 5588 du CNRS), B.P. 87,
38402 St Martin d'Hères Cedex, France
2
Consorzio PROMEA-INFM Sezione di Cagliari,
presso Dipartimento di Fisica, Citt.
Universitaria, Strada Prov. le Monserrato-Sestu Km 0.700,
09042 Monserrato (CA), Italy
Corresponding author: Susanna.Setzu@ujf-grenoble.fr
Received:
22
December
1998
Revised:
19
April
1999
Accepted:
19
April
1999
Published online: 15 July 1999
The properties of porous silicon microcavities impregnated with a laser dye are investigated by photoluminescence and reflection measurements. The spontaneous emission spectrum of the optically excited rhodamine 800 is drastically modified by microcavity effects: the peak emission intensity is increased, the linewidth is narrowed. These results demonstrate that using all porous silicon or dye-filled microcavities provides new possibilities to improve the properties of photonic devices.
PACS: 78.55.Mb – Porous materials / 78.55.-m – Photoluminescence / 78.40.-q – Absorption and reflection spectra: visible and ultraviolet
© EDP Sciences, 1999
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