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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 33, Iss. 10 — May. 15, 2008
  • pp: 1108–1110

Phase ripple correction: theory and application

Josh A. Conway, George A. Sefler, Jason T. Chou, and George C. Valley  »View Author Affiliations


Optics Letters, Vol. 33, Issue 10, pp. 1108-1110 (2008)
http://dx.doi.org/10.1364/OL.33.001108


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Abstract

Spectral phase ripple associated with novel dispersive devices can distort broadband optical signals. We present a digital postprocessing algorithm to correct for this distortion by exploiting the static deterministic nature of the ripple. This algorithm is demonstrated with empirical data for several systems employing chirped fiber Bragg gratings (CFBGs). We employ this technique in a photonic time-stretch system incorporating CFBGs, improving the signal fidelity by 9 dB . Simulations and experiments show that this algorithm, which can be reduced to a simple interpolation and matrix multiplication, also mitigates additive noise. We see that the act of distortion correction yields signal fidelity superior to that of an ideal dispersive element.

© 2008 Optical Society of America

OCIS Codes
(060.3735) Fiber optics and optical communications : Fiber Bragg gratings
(060.5625) Fiber optics and optical communications : Radio frequency photonics

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: January 28, 2008
Revised Manuscript: March 27, 2008
Manuscript Accepted: April 3, 2008
Published: May 13, 2008

Citation
Josh A. Conway, George A. Sefler, Jason T. Chou, and George C. Valley, "Phase ripple correction: theory and application," Opt. Lett. 33, 1108-1110 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-10-1108

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