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The basic structure of CX2. CLD is a chromophore with the same -conjugate system as that of CLD1, M1 is a diacid comonomer, and M2 is a diol comonomer. (An example of the polymer synthetic scheme and structures for M1 and M2 can be found in Ref. 10.)
Schematic diagram of the fabricated EO modulators.
Block diagram of the experimental setup.
Fiber-pigtailed device for temperature stability test.
Low-frequency transfer function measurements at in single-arm driving operation.
Optical loss of EO chromophore in a slab waveguide at by the immersion technique.
Thermal stability in half-wave voltage and insertion loss versus cooling∕heating temperature. The phase modulator was fiber-connected and mounted on cooling∕heating metal inside a nitrogen box filled with dry ice for lower-temperature test.
The thermal stability at of EO phase modulator fabricated from the side-chain EO chromophore.
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