Abstract
A Mach–Zehnder interferometer (MZI) electro-optic (E-O) switch based on a guest–host material DR1/PC was designed and fabricated. The optical properties and long-term stability of the material were studied. By optimizing the concentration of DR1, the DR1/PC material exhibited an E-O coefficient of 12.8 pm/V at 1310 nm. The characteristic parameters of the waveguide were calculated, and the fabrication process was strictly controlled. The MZI switch on-off time was found to be about 50 ns. The extinction ratio was measured to be about 13.4 dB. At room temperature, the switch could keep operating for at least 150 days.
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