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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 27 — Dec. 17, 2012
  • pp: 28724–28733

Optical performance monitoring for OFDM using low bandwidth coherent receivers

Simin Chen, Trevor Anderson, Don Hewitt, An V. Tran, Chen Zhu, Liang B. Du, Arthur J. Lowery, and Efstratios Skafidas  »View Author Affiliations


Optics Express, Vol. 20, Issue 27, pp. 28724-28733 (2012)
http://dx.doi.org/10.1364/OE.20.028724


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Abstract

We propose using low bandwidth coherent receivers for distributed optical performance monitoring. We demonstrate optical signal-to-noise ratio (OSNR) monitoring of both 20-Gb/s single-polarization and 40-Gb/s polarization-multiplexed coherent optical orthogonal frequency-division multiplexing (CO-OFDM) signals with a 0.8-GHz receiver using both data-aided (DA) and non-data-aided (NDA) approaches. The sampling rate of the performance monitor is much lower than the signal baud rate, so provides a cost-effective solution for distributed optical performance monitoring. The proposed method is demonstrated experimentally and through simulation. The results show that after calibration the OSNR monitoring error is less than 1 dB and the two approaches are not affected by fiber dispersion after 800-km transmission and 30-ps differential group delay (DGD).

© 2012 OSA

OCIS Codes
(060.1660) Fiber optics and optical communications : Coherent communications
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.4510) Fiber optics and optical communications : Optical communications

ToC Category:
Subsystems for Optical Networks

History
Original Manuscript: September 4, 2012
Manuscript Accepted: October 15, 2012
Published: December 11, 2012

Virtual Issues
European Conference on Optical Communication 2012 (2012) Optics Express

Citation
Simin Chen, Trevor Anderson, Don Hewitt, An V. Tran, Chen Zhu, Liang B. Du, Arthur J. Lowery, and Efstratios Skafidas, "Optical performance monitoring for OFDM using low bandwidth coherent receivers," Opt. Express 20, 28724-28733 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-27-28724


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References

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