Abstract
We have fabricated and characterized a polarization-independent phase modulator with a voltage-length product of 24 Vcm at a 1.32-μm wavelength. To obtain a modulation that is insensitive to the polarization state of the input light, we used two subsequent electrode pairs, in the lateral and vertical directions, respectively, to compensate the different amounts of the components r33 and r13 of the electro-optic coefficient (Fig. 1). The optical loss was determined to be 1.6 dB/cm by a modified two-prism method.
© 1995 Optical Society of America
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