Cubic optical nonlinearity of free electrons in bulk gold Journal Articles uri icon

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abstract

  • A fast (Tau(response) <90 fs) free-electron spin-f lipping frequency-degenerate nonlinearity with a signif icant value of|chi((3))(xxyy)(omega,omega,omega,-omega)chi((3))(xxyy)(omega,omega,omega,-omega)|~10(-)(8)esu has been observed in bulk gold at 1260 nm by use of a new pump-probe polarization-sensitive technique.

authors

  • Zheludev, NI
  • Gusev, VE
  • Kamalov, VF
  • Slobodchikov, EV
  • Bennett, Patrick
  • Loh, H
  • Popov, SV
  • Shatwell, IR
  • Svirko, Yu P

publication date

  • June 15, 1995