The present invention relates to a polarization independent type optical intensity modulator polymer independent of the polarization state of the input signal by using the polymer having the electro-optical phenomenon. In order to use the electro-optic effect in electro-optic polymer by applying a high voltage to the waveguide must polarization (poling). This polarization is the smallest size of the phase modulation for a polarization perpendicular to the largest and the polarization for the parallel polarization to the polarization due to. Therefore, the electro-optic polymer optical intensity modulator performance will vary according to the input light polarization state. The present invention proposes a polarization independent type optical intensity modulator polymer composition which can independently of modulation in the polarization of the input signal by having mutually perpendicular directions of polarization of the two optical path of the MZ interferometer.
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