Ultrafast photonics in doped polymer matrix

T. Virgili; D. Marinotto; G. Lanzani; D. D.C. Bradley

doi:10.1117/12.549293

Ultrafast photonics in doped polymer matrix

T. Virgili, D. Marinotto, G. Lanzani, D. D.C. Bradley

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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.

Original language	English (US)
Title of host publication	Proceedings of SPIE - The International Society for Optical Engineering
DOIs	https://doi.org/10.1117/12.549293
State	Published - Dec 20 2004
Externally published	Yes

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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.",

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AU - Marinotto, D.

AU - Lanzani, G.

AU - Bradley, D. D.C.

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PY - 2004/12/20

Y1 - 2004/12/20

N2 - 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.

AB - 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.

UR - http://proceedings.spiedigitallibrary.org/proceeding.aspx?doi=10.1117/12.549293

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DO - 10.1117/12.549293

M3 - Conference contribution

BT - Proceedings of SPIE - The International Society for Optical Engineering

ER -

Ultrafast photonics in doped polymer matrix

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