Resolution of the nuclear and electronic contributions to the optical nonlinearity in polysilanes

Daniel J. McGraw; A.E. Siegman; G.M. Wallraff; R.D. Miller

doi:10.1063/1.101290

Applied Physics Letters

Paper

01 Dec 1989

Resolution of the nuclear and electronic contributions to the optical nonlinearity in polysilanes

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Abstract

We present a method of resolving the nuclear and electronic contributions to the third-order susceptibility χ3 in a phase conjugation experiment. The technique is applied to octylmethylpolysilane yielding χ3 (electronic)=(1.8±0.5)×10-12 esu and χ3(nuclear)=(1.1±0.4) ×10-12 esu at 532 nm.

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