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Femtosecond Dynamics and Nonlinear Optical Properties of Polyacetylene

Published online by Cambridge University Press:  25 February 2011

S. Etemad ,
G. L. Baker ,
L. Rothberg  and
F. Kajzar
S. Etemad
Affiliation:
Bell Communications Research, Red Bank, NJ 07701
G. L. Baker
Affiliation:
Bell Communications Research, Red Bank, NJ 07701
L. Rothberg
Affiliation:
AT &T Bell Laboratory, Murray Hill, NJ 07974
F. Kajzar
Affiliation:
CEA-IRDA, CEN-Saclay 91191 Gif-sur-Yvette, France
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Abstract

We discuss two important aspects of the nonlinear optical response of polyacetylene, the prototype conjugated polymer. In the subband gap region, χ(3) of polyacetylene has a rich spectral response and its magnitude is found to be the largest among semiconductors. In the superband gap region, absorption of photons leads to direct photogeneration of charged solitons on a femtosecond-time-scale. These results are discussed in the context of a one-dimensional, coupled electronlattice system, and are generalized to other conjugated polymers.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 109: Symposium K – Nonlinear Optical Properties of Polymers , 1987 , 217
Copyright
Copyright © Materials Research Society 1988

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References

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