Described here is the first known demonstration of a registered two level guided wave polymeric electro-optic Mach–Zehnder intensity modulator array. The device consists of two complete vertically stacked levels. Both levels were independently poled and operated. There was no measurable optical or electrical cross talk due to a high resistivity thermoset polymer buffers layer employed. Fabrication and performance of the device is discussed.
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Tumolillo et al. (1993) studied this question.
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