Integrated-optical modulators for bandpass analog links

Integrated-optical interferometric modulators specifically designed and demonstrated for bandpass analog optical systems are described. Techniques such as nondissipative impedance matching for lumped-element modulators and electrooptic phase reversal for traveling-wave devices can provide substantially higher modulator response than conventional baseband designs. Recent results on the use of the polarization-mixing technique to improve modulator linearity at microwave frequencies are also discussed.

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