期刊
NANOTECHNOLOGY
卷 22, 期 43, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0957-4484/22/43/435202
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资金
- Ministerio de Educacion [TEC-2008-06756-C03-01/03]
- Generalitat Valencianas [2009/074]
- GRISOLIA
In this paper, active planar waveguides based on the incorporation of CdSe and CdTe nanocrystal quantum dots in a polymer matrix are demonstrated. In the case of doping the polymer with both types of quantum dots, the nanocomposite film guides both emitted colors, green (550 nm, CdTe) and orange (600 nm, CdSe). The optical pumping laser can be coupled not only with a standard end-fire coupling system, but also directing the beam to the surface of the sample, indicating a good absorption cross-section and waveguide properties. To achieve these results, a study of the nanocomposite optical properties as a function of the nanocrystal concentration is presented and the optimum conditions are found for waveguiding.
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