Applied Physics A

, 104:947 | Cite as

z-Scan characterization of zwitterionic chromophores for optoelectronic switching

  • U. Skrzypczak
  • G. V. M. Williams
  • M. Miclea
  • M. D. H. Bhuiyan
  • S. Janseens
  • S. Schweizer


Single beam z-scan measurements have been made on films containing amorphous polycarbonate and the zwitterionic chromophore, PYR-3, that has a very high second order nonlinear optical (NLO) figure of merit. The third order NLO figure of merit is ≈1.6 at 1030 nm and is comparable to that found in organic compounds optimized for high n2 values. The two-photon absorption coefficient is 2.1×10−12 m/W, which is very low and advantageous for NLO device applications. The third order NLO refractive index is −1.4×10−18 m2/W.


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Copyright information

© Springer-Verlag 2011

Authors and Affiliations

  • U. Skrzypczak
    • 1
  • G. V. M. Williams
    • 2
  • M. Miclea
    • 1
  • M. D. H. Bhuiyan
    • 2
  • S. Janseens
    • 2
  • S. Schweizer
    • 1
    • 3
  1. 1.Centre for Innovation Competence SiLi-nano®Martin Luther University of Halle-WittenbergHalle (Saale)Germany
  2. 2.Industrial Research Ltd.Lower HuttNew Zealand
  3. 3.Fraunhofer Center for Silicon PhotovoltaicsHalle (Saale)Germany

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