Abstract
Large quadratic electro-optic effect has been observed in a nano-optical material based on a nonconjugated conductive polymer, poly(β-pinene). Doping of poly(β-pinene) leads to subnanometer size charge-transfer sites with positive charges (holes). The observed large electro-optic effect has been attributed to these confined systems with special structures. The magnitude of the Kerr constant increases with the concentration of the dopant or charge-transfer sites. The maximum Kerr coefficient at 633nm which is close to resonance is about 50 times that of nitrobenzene.
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