Abstract

A multichannel phase modulator is described which employs the electrooptic properties of lithium tantalate to achieve phase modulation. The modulator’s speed and 2π voltage are compatible with high speed microelectronics The beam steering properties of this one-dimensional optical phased array antenna are described, and the beam steering results for a forty-six-channel modulator are given.

© 1972 Optical Society of America

Hybrid integrated thin-film lithium niobate–silicon nitride electro-optical phased array incorporating silicon nitride grating antenna for two-dimensional beam steering

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