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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 14 — Jul. 6, 2009
  • pp: 11281–11286

Demonstrations of analog-to-digital conversion using a frequency domain stretched processor

Randy Ray Reibel, Calvin Harrington, Jason Dahl, Charles Ostrander, Peter Aaron Roos, Trenton Berg, R. Krishna Mohan, Mark A. Neifeld, and Wm. Randall Babbitt  »View Author Affiliations


Optics Express, Vol. 17, Issue 14, pp. 11281-11286 (2009)
http://dx.doi.org/10.1364/OE.17.011281


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Abstract

The first proof-of-concept demonstrations are presented for a broadband photonic-assisted analog-to-digital converter (ADC) based on spatial spectral holography (SSH). The SSH-ADC acts as a frequency-domain stretch processor converting high bandwidth input signals to low bandwidth output signals, allowing the system to take advantage of high performance, low bandwidth electronic ADCs. Demonstrations with 50 MHz effective bandwidth are shown to highlight basic performance with ~5 effective bits of vertical resolution. Signal capture with 1600 MHz effective bandwidth is also shown. Because some SSH materials span over 100 GHz and have large time apertures (~10 µs), this technique holds promise as a candidate for the next generation of ADCs.

© 2009 Optical Society of America

OCIS Codes
(070.1170) Fourier optics and signal processing : Analog optical signal processing
(090.2900) Holography : Optical storage materials

ToC Category:
Holography

History
Original Manuscript: April 1, 2009
Revised Manuscript: June 12, 2009
Manuscript Accepted: June 17, 2009
Published: June 22, 2009

Citation
Randy R. Reibel, Calvin Harrington, Jason Dahl, Charles Ostrander, Peter A. Roos, Trenton Berg, R. K. Mohan, Mark A. Neifeld, and Wm. R. Babbitt, "Demonstrations of analog-to-digital conversion using a frequency domain stretched processor," Opt. Express 17, 11281-11286 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-14-11281


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