DOI: 10.1063/1.1879085. Ultrafast resonant optical switching in isolated polyfluorenes chains

Ultrafast resonant optical switching in isolated polyfluorenes chains

10.1063/1.1879085

Crossref journal-article

AIP Publishing

Applied Physics Letters (317)

Abstract

Using ultrafast spectroscopy, we report evidence of monodimensional photophysics coming from isolated chains of poly(9,9-dioctylfluorene) dispersed in a polymethylmethacrylate matrix. We identify intrachain charge carriers dynamics, the decay taking place in about 1 ps. Using a three-pulse experiment we bring evidence for charges generation from higher lying states and we report an ultrafast optical gain switching in the stimulated emission region over a broad wavelength range (around 100 nm). Our experiments suggest that the expected maximum rate of on–off switching in such a molecular device can be as high as 300 GHz.

Bibliography

Virgili, T., Marinotto, D., Lanzani, G., & Bradley, D. D. C. (2005). Ultrafast resonant optical switching in isolated polyfluorenes chains. Applied Physics Letters, 86(9).

Authors 4

Tersilla Virgili (first)
Daniele Marinotto (additional)
Guglielmo Lanzani (additional)
Donal D.C. Bradley (additional)

References 10 Referenced 64

{'volume-title': 'Solid State Physics', 'year': '1995', 'author': 'Ehrenreich', 'key': '2023070301371663300_c1'} / Solid State Physics by Ehrenreich (1995)
10.1021/ma990741o / Macromolecules (1999)
10.1103/PhysRevB.67.195333 / Phys. Rev. B (2003)
10.1103/PhysRevB.61.8501 / Phys. Rev. B (2000)
10.1063/1.124008 / Appl. Phys. Lett. (1999)
10.1046/j.1365-2818.2003.01110.x / J. Microsc. (2003)
{'key': '2023070301371663300_c7', 'first-page': '235', 'volume-title': 'Semiconducting Polymers—Chemistry, Physics and Engineering', 'author': 'Hadziioannou', 'year': '2000'} / Semiconducting Polymers—Chemistry, Physics and Engineering by Hadziioannou (2000)
10.1103/PhysRevLett.89.117402 / Phys. Rev. Lett. (2002)
{'volume-title': 'Phys. Rev. Lett.', 'key': '2023070301371663300_c9'} / Phys. Rev. Lett.
10.1103/PhysRevLett.90.247402 / Phys. Rev. Lett. (2003)

Dates

Type	When
Created	20 years, 5 months ago (March 30, 2005, 10:36 a.m.)
Deposited	2 years, 1 month ago (July 2, 2023, 9:37 p.m.)
Indexed	1 month ago (July 30, 2025, 6:44 a.m.)
Issued	20 years, 6 months ago (Feb. 25, 2005)
Published	20 years, 6 months ago (Feb. 25, 2005)
Published Online	20 years, 6 months ago (Feb. 25, 2005)
Published Print	20 years, 6 months ago (Feb. 28, 2005)

Funders 0

None

BibTeX

@article{Virgili_2005, title={Ultrafast resonant optical switching in isolated polyfluorenes chains}, volume={86}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.1879085}, DOI={10.1063/1.1879085}, number={9}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Virgili, Tersilla and Marinotto, Daniele and Lanzani, Guglielmo and Bradley, Donal D.C.}, year={2005}, month=feb }

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