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Proceedings Article

Optical sampling and demultiplexing applied to A/D conversion

[+] Author Affiliations
John A. Bell, Michael C. Hamilton, David A. Leep

Boeing High Technology Ctr. (USA)

Proc. SPIE 1562, Devices for Optical Processing, 276 (December 1, 1991); doi:10.1117/12.50785
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From Conference Volume 1562

  • Devices for Optical Processing
  • Debra M. Gookin
  • San Diego, CA | July 21, 1991

abstract

Electro-optic sampling of wideband signals using short duration pulses from a diode laser may offer advantages over the electronic sampling performed in A/D converters. A hybrid optical/electronic A/D conversion technique is described which overcomes some of the difficulties encountered in previous efforts in this area. This hybrid technique uses electrooptic components to perform sampling and time-demultiplexing together with multiple electronic A/D converters. A system which uses 4 parallel electronic A/D converters and a pulsed diode laser is demonstrated with a sample rate of 2 GHz. For single-tone test signals in the range of 10 to 11 Ghz, the precision of this system is as high as 2.8 effective bits, limited principally by laser jitter.

© (1991) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

John A. Bell ; Michael C. Hamilton and David A. Leep
"Optical sampling and demultiplexing applied to A/D conversion", Proc. SPIE 1562, Devices for Optical Processing, 276 (December 1, 1991); doi:10.1117/12.50785; http://dx.doi.org/10.1117/12.50785


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