Cubic optical nonlinearity of free electrons in bulk gold

Abstract

A fast (τresponse &lt;90 fs) free-electron spin-flipping frequency-degenerate nonlinearity with a significant value of |χ(3)xxyy(ω,ω,ω,-ω) χ(3)xyyx(ω,ω,ω,-ω)| ~ 10-8 esu has been observed in bulk gold at 1260 nm by use of a new pump-probe polarization-sensitive technique. <br/

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Southampton (e-Prints Soton)

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Last time updated on 02/07/2012

This paper was published in Southampton (e-Prints Soton).

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