Abstract

The optical fiber is bent in a slot and polished until one side of the fiber coating is only several micrometers thick. The hemicyanine Langmuir–Blodgett (LB) film is then deposited on the polished optical fiber surface. By applying an electric field between the LB film, the polarization state in the optical fiber has been modulated. The preparation details of the in-line optical fiber modulator and the measurement setup are described.

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