Wavelength dependence of two photon and free carrier absorptions in InP.

نویسندگان

  • Leonel P Gonzalez
  • Joel M Murray
  • Srinivasan Krishnamurthy
  • Shekhar Guha
چکیده

Nonlinear absorption at 1.064 and 1.535 microm wavelengths by two photon and free carrier absorption processes in undoped and Fe doped InP has been investigated. Using picosecond and nanosecond duration lasers, a self-consistent set of the two photon and free carrier absorption coefficients are experimentally obtained through nonlinear transmission measurements for the first time. Reduced carrier recombination lifetime caused a decrease in nonlinear absorption of nanosecond duration laser pulses in Fe doped samples.

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عنوان ژورنال:
  • Optics express

دوره 17 11  شماره 

صفحات  -

تاریخ انتشار 2009