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Femtosecond Optical Dynamics In A Poly(Para-Phenylene)-Type Ladderpolymer

Published online by Cambridge University Press:  10 February 2011

W. Graupner ,
K. Petritsch ,
G. Leising ,
G. Lanzani ,
M. Nisoli ,
S. De Silvestri  and
U. Scherf
W. Graupner
Affiliation:
Institut für Festkörperphysik, Technische Universitiit Graz, A-8010 Graz, Austria.
K. Petritsch
Affiliation:
Institut für Festkörperphysik, Technische Universitiit Graz, A-8010 Graz, Austria.
G. Leising
Affiliation:
Institut für Festkörperphysik, Technische Universitiit Graz, A-8010 Graz, Austria.
G. Lanzani
Affiliation:
Istituto di Matematica e Fisica, Universita di Sassari, 1-07100 Sassari, Italy.
M. Nisoli
Affiliation:
CEQSE - C.N.R., Dipartimento di Fisica, Politecnico, 1-20133 Milano, Italy.
S. De Silvestri
Affiliation:
CEQSE - C.N.R., Dipartimento di Fisica, Politecnico, 1-20133 Milano, Italy.
U. Scherf
Affiliation:
Max-Planck-Institut filr Polymerforschung, D-55128 Mainz, Germany.
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Abstract

Time-resolved femtosecond pump and probe experiments were conducted on films and solutions of poly (para-phenylene)-type ladder-homopolymers featuring a high degree of intrachain order. We find photobleaching, stimulated emission and photoinduced absorption. The spectral separation of stimulated emission and photoinduced absorption makes this polymer a promising candidate for a solid state laser.

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References

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