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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 31, Iss. 26 — Sep. 10, 1992
  • pp: 5654–5660

Optical oversampled analog-to-digital conversion

Barry L. Shoop and Joseph W. Goodman  »View Author Affiliations


Applied Optics, Vol. 31, Issue 26, pp. 5654-5660 (1992)
http://dx.doi.org/10.1364/AO.31.005654


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Abstract

A new approach to optical analog-to-digital (A/D) conversion based on oversampling and interpolative coding techniques is described, and both interferometric and noninterferometric architectures based on this method are presented. This new approach combines the high resolution of classical oversampled A/D conversion with the high speed of optical processing technology to extend the resolution and conversion rates beyond that currently possible with other electronic or optical converters. The proposed optical converters are simple, consisting of multiple quantum well self-electro-optic effect devices, photodetectors, and common optical components that are capable of operating at sampling rates of up to 15 Gbits/s and that can provide scalable resolutions of 16 and 8 bits at a conversion rate of 117 and 938 MHz, respectively.

© 1992 Optical Society of America

History
Original Manuscript: May 13, 1991
Published: September 10, 1992

Citation
Barry L. Shoop and Joseph W. Goodman, "Optical oversampled analog-to-digital conversion," Appl. Opt. 31, 5654-5660 (1992)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-31-26-5654

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