Abstract
Waveguides made by metal diffusion in ferroelectric crystals - principally titanium diffused in lithium niobate - have become the basis for a variety of interesting and useful guided-wave devices2. The combination of good electrooptic and acoustic-optic effects, low propagation loss3, commercially available substrates and fabrication ease make metal diffused waveguides highly suitable for guided-wave switches, modulators, wavelength filters, mode converters, deflectors, etc.
© 1980 Optical Society of America
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