Measurement of the electro-optic properties of poled polymers at λ=1.55 μm by means of sandwich structures with zinc oxide transparent electrode

Michelotti, F.; Belardini, A.; Larciprete, M. C.; Bertolotti, M.; Rousseau, A.; Ratsimihety, A.; Schoer, G.; Mueller, J.
December 2003
Applied Physics Letters;12/1/2003, Vol. 83 Issue 22, p4477
Academic Journal
We report on the measurement of the electro-optic properties of poled polymers at λ=1.55 μm via the Teng and Man technique. Measurements of the electro-optic coefficient obtained for two different sandwich structures, using either indium tin oxide (ITO) or aluminum doped zinc oxide (ZnO:Al) semitransparent electrodes, are compared. The experimental results show that the use of ITO electrodes can lead to a largely wrong evaluation of the electro-optic coefficient r[sub 33], with respect to that obtained when using ZnO:Al electrodes, whose plasma resonance is shifted to longer wavelengths. Results on the disperse red 1/methyl-metacrylate based sidechain benchmark system are reported. © 2003 American Institute of Physics.


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