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

McGraw, Daniel J.; Siegman, A. E.; Wallraff, G. M.; Miller, R. D.
May 1989
Applied Physics Letters;5/1/1989, Vol. 54 Issue 18, p1713
Academic Journal
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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