Abstract

Electro-optic and electroabsorption modulation by use of a Langmuir–Blodgett (LB) film-based Fabry–Perot étalon is reported. The modulation was found to be dominated by linear effects in the film. The percentage change in transmission was 15% for electro-optic and 30% for electroabsorption modulation at an rms drive voltage of 53 V. The effective linear electro-optic coefficient of the LB film was 13 pm V⁻¹ at 633 nm for s-polarized light. We believe that this is the highest value reported to date for thick LB films.

© 1995 Optical Society of America

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