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Proceedings Paper

Ultrafast photonics in doped polymer matrix
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Paper Abstract

Using ultrafast pump-probe and pump-push-probe spectroscopy we highlight evidence of monodimensional photophysics coming from isolated chains of poly(9,9-dioctylfluorene) (PFO). We identify a large gain band with peak value of 2600 db/cm. By exploiting the peculiar one-dimensional physics of the isolated chain, we envisage a novel principle for ultrafast all-optical gain switching. Experiments suggest that the expected maximum rate of on-off switching over a broad wavelengths range (around 100 nm) can be as high as 300 GHz with large modulation depth.

Paper Details

Date Published: 8 September 2004
PDF: 9 pages
Proc. SPIE 5464, Organic Optoelectronics and Photonics, (8 September 2004); doi: 10.1117/12.549293
Show Author Affiliations
Tersilla Virgili, INFM (Italy)
IFN, CNR (Italy)
Politecnico di Milano (Italy)
D. Marinotto, INFM (Italy)
IFN, CNR (Italy)
Politecnico di Milano (Italy)
Guglielmo Lanzani, INFM (Italy)
IFN, CNR (Italy)
Politecnico di Milano (Italy)
Donal D. C. Bradley, Imperial College London (United Kingdom)

Published in SPIE Proceedings Vol. 5464:
Organic Optoelectronics and Photonics
Paul L. Heremans; Michele Muccini; Hans Hofstraat, Editor(s)

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