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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 26 — Dec. 12, 2011
  • pp: B323–B328

Simple feed-forward wide-range frequency offset estimator for optical coherent receivers

J. C. M. Diniz, J. C. R. F. de Oliveira, E. S. Rosa, V. B. Ribeiro, V. E. S. Parahyba, R. da Silva, E. P. da Silva, L. H. H. de Carvalho, A. F. Herbster, and A. C. Bordonalli  »View Author Affiliations


Optics Express, Vol. 19, Issue 26, pp. B323-B328 (2011)
http://dx.doi.org/10.1364/OE.19.00B323


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Abstract

We propose and experimentally demonstrate a hardware-efficient, feed-forward, wide-range frequency offset estimator for DSP-based optical coherent receivers. Using a simple relationship of signal spectrum, this estimator is capable to estimate offsets in a range compliant with OIF requirements. Obtained results show that this estimator has a high tolerance to spectrum asymmetry caused by electrical and optical signal filtering, even when using return-to-zero pulse shaping.

© 2011 OSA

OCIS Codes
(060.1660) Fiber optics and optical communications : Coherent communications
(060.5060) Fiber optics and optical communications : Phase modulation

ToC Category:
Subsystems for Optical Networks

History
Original Manuscript: October 3, 2011
Revised Manuscript: October 29, 2011
Manuscript Accepted: November 2, 2011
Published: November 18, 2011

Virtual Issues
European Conference on Optical Communication 2011 (2011) Optics Express

Citation
J. C. M. Diniz, J. C. R. F. de Oliveira, E. S. Rosa, V. B. Ribeiro, V. E. S. Parahyba, R. da Silva, E. P. da Silva, L. H. H. de Carvalho, A. F. Herbster, and A. C. Bordonalli, "Simple feed-forward wide-range frequency offset estimator for optical coherent receivers," Opt. Express 19, B323-B328 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-26-B323


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References

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