Z-scan characterization of the nonlinear refractive index of single crystal ZnSe in the 1.20-1.95 µm wavelength range

Arkady Major; J. Stewart Aitchison; Peter W. E. Smith; Evgeni Sorokin; Irina T. Sorokina

doi:10.1117/12.628686

30 September 2005 Z-scan characterization of the nonlinear refractive index of single crystal ZnSe in the 1.20-1.95 μm wavelength range

Arkady Major, J. Stewart Aitchison, Peter W. E. Smith, Evgeni Sorokin, Irina T. Sorokina

Author Affiliations +

Proceedings Volume 5971, Photonic Applications in Nonlinear Optics, Nanophotonics, and Microwave Photonics; 59710H (2005) https://doi.org/10.1117/12.628686
Event: Photonics North, 2005, Toronto, Canada

Abstract

The nonlinear refractive index, n₂, of single crystal ZnSe was characterized in the 1200-1950 nm wavelength region using the z-scan technique with picosecond pulses provided by a widely tunable traveling-wave optical parametric amplifier. We have found that the n₂ values range from ~15.8×10^-6 to ~9.3×10^-6 cm²/GW. The measured spectrum and scaling of the nonlinear refractive index complements previously reported values at shorter wavelengths, and is in good agreement with a theoretical model based on the nonlinear Kramers-Kroenig transformation.

Citation Download Citation

Arkady Major, J. Stewart Aitchison, Peter W. E. Smith, Evgeni Sorokin, and Irina T. Sorokina "Z-scan characterization of the nonlinear refractive index of single crystal ZnSe in the 1.20-1.95 μm wavelength range", Proc. SPIE 5971, Photonic Applications in Nonlinear Optics, Nanophotonics, and Microwave Photonics, 59710H (30 September 2005); https://doi.org/10.1117/12.628686

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