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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 8 — Apr. 11, 2011
  • pp: 7339–7348

Beating Nyquist with light: a compressively sampled photonic link

J. M. Nichols and F. Bucholtz  »View Author Affiliations


Optics Express, Vol. 19, Issue 8, pp. 7339-7348 (2011)
http://dx.doi.org/10.1364/OE.19.007339


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Abstract

We report the successful demonstration of a compressively sampled photonic link. The system takes advantage of recent theoretical developments in compressive sampling to enable signal recovery beyond the Nyquist limit of the digitizer. This rather remarkable result requires that (1) the signal being recovered has a sparse (low-dimensional) representation and (2) the digitized samples be incoherent with this representation. We describe an all-photonic system architecture that meets these requirements and then show that 1GHz harmonic signals can be faithfully reconstructed even when digitizing at 500MS/s, well below the Nyquist rate.

© 2011 OSA

OCIS Codes
(000.3870) General : Mathematics
(060.2360) Fiber optics and optical communications : Fiber optics links and subsystems

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: January 21, 2011
Revised Manuscript: March 7, 2011
Manuscript Accepted: March 7, 2011
Published: April 1, 2011

Citation
J. M. Nichols and F. Bucholtz, "Beating Nyquist with light: a compressively sampled photonic link," Opt. Express 19, 7339-7348 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-8-7339


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