Three-Photon Absorption Spectra and Bandgap Scaling in Direct-Gap Semiconductors

Sepehr Benis,Claudiu M. Cirloganu,Gero Nootz,Peter D. Olszak,Lazaro A. Padilha,Davorin Peceli,Matthew Reichert,Scott Webster,Trenton R. Ensley,Honghua Hu,Milton Woodall,David J. Hagan,Eric W. Van Stryland

Three-Photon Absorption Spectra and Bandgap Scaling in Direct-Gap Semiconductors

2020

Sepehr Benis
Claudiu M. Cirloganu
Gero Nootz
Peter D. Olszak
Lazaro A. Padilha
Davorin Peceli
Matthew Reichert
Scott Webster
Trenton R. Ensley
Honghua Hu
Milton Woodall
David J. Hagan
Eric W. Van Stryland

We present 3-photon-absorption (3PA) measurements of 9 direct-gap semiconductors, including the 3PA spectra of ZnS, GaAs, and ZnSe and use a Kane 4-band model to fit the spectra and show the bandgap dependence.

Keywords:

Spectral line
Band gap
Semiconductor
Zinc selenide
Absorption spectroscopy
Refractive index
Photon counting
Gallium arsenide
Optoelectronics
Materials science

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