Characterization of nonlinear absorption of InN epitaxial films with femtosecond pulsed transmission Z -scan measurements

T.-R. Tsai, T.-H. Wu, J.-C. Liao, T.-H. Wei, H.-P. Chiang, J.-S. Hwang, Din-ping Tsai, Y.-F. Chen

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Abstract

The femtosecond pulsed Z -scan measurements of the resonant nonlinear optical absorption of the InN epitaxial films in the range of 720-790 nm were reported. The absorption saturation behavior was found to gradually decrease with increasing photon energy. The nonlinear optical absorption cross sections of the InN films were estimated and the values are found to be in good agreement with the calculations based on the band-filling model. These results are relevant for the future development of nonlinear optical devices based on InN. © 2009 American Institute of Physics.
Original languageEnglish
Article number066101
JournalJournal of Applied Physics
Volume105
Issue number6
DOIs
Publication statusPublished - 9 Apr 2009
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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