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26 July 1979 High-Speed Electro-Optic Analog-To-Digital (A/D) Converter
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Proceedings Volume 0176, Guided Wave Optical Systems and Devices II; (1979) https://doi.org/10.1117/12.957215
Event: Technical Symposium East, 1979, Washington, D.C., United States
Abstract
A detailed analysis of a high-speed electrooptic guided wave analog-to-digital (A/D) converter has been performed. It is concluded that the development of converters in the 4-6 bit 1-2 GS/sec range should be feasible. Analyses are presented which detail the design considerations for the electrooptic modulator chip, the laser sampler, and the analog signal amplifier. A design plan is presented for a 6-bit 1-GS/sec converter which utilizes an array of 6 LiTaO3 interferometric waveguide modulators to perform the conversion and a frequency-doubled mode-locked Nd:YAG laser to perform the sampling of analog signals having 500 MHz bandwidths. Preliminary waveguide device results are also reported, including the successful demonstration of an interferometric modulator with a 17-dB (98%) extinction ratio.
© (1979) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
F. J. Leonberger, C. E. Woodward, and D. L. Spears "High-Speed Electro-Optic Analog-To-Digital (A/D) Converter", Proc. SPIE 0176, Guided Wave Optical Systems and Devices II, (26 July 1979); https://doi.org/10.1117/12.957215
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