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Proceedings Paper

High-speed Electro-Optical Signal Conversion Devices
Author(s): F. J. Leonberger
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Paper Abstract

Interferometric waveguide modulators famed by Ti diffusion in LiNb03 are under development for use in a high-speed electrooptic analog-to-digital (A/D) converter operating in the 6-bit 1-GS/sec range. The operational principles of these modulators and the design considerations for the A/D converter will be reviewed and the operational characteristics of the fabricated waveguide modulators will be described. The devices have a 17-dB extinction ratio and modulation at 1.4 GHz has been demonstrated. To simulate the A/D conversion application, the modulators have also been used in conjunction with a frequency-doubled mode-locked Nd:YAG laser to sample a 69-MHz signal at 275 MS/sec.

Paper Details

Date Published: 25 April 1980
PDF: 7 pages
Proc. SPIE 0218, Devices and Systems for Optical Signal Processing, (25 April 1980); doi: 10.1117/12.958506
Show Author Affiliations
F. J. Leonberger, Massachusetts Institute of Technology (United States)

Published in SPIE Proceedings Vol. 0218:
Devices and Systems for Optical Signal Processing
Timothy C. Strand; Armand R. Tanguay, Editor(s)

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