Abstract
The titanium-indiffusion proton-exchange (TIPE) technique developed recently at our laboratory for fabrication of microlenses and microlens arrays has enabled us to realize a variety of integrated optic device modules for applications in comnunications, RF signal processing, and computing. In this paper we report on the most recent realization of an integrated optic programmable digital correlator module that simultaneously utilizes acoustooptic and electrooptic Bragg diffractions in a common LiNb03 waveguide substrate. In this correlator module the SAW transducer was followed immediately by a 12-element electrooptic Bragg electrode array each with a separate and independent terminal, and, subsequently, by a large-aperture TIPE integrating lens. and cross-correlation waveforms between binary sequences obtained using a He-Ne laser at the wavelength of 0.6328 pm and the amplitudemodulated SAW at 17.5 Mbits/s centered at 260 MHz were found to be in excellent agreement with the calculated waveforms. The auto
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