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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 16 — Aug. 2, 2010
  • pp: 16751–16764

Theoretical and experimental investigation of compatible SSB modulation for single channel long-distance optical OFDM transmission

Yuanyuan Zhang, Maurice O’Sullivan, and Rongqing Hui  »View Author Affiliations


Optics Express, Vol. 18, Issue 16, pp. 16751-16764 (2010)
http://dx.doi.org/10.1364/OE.18.016751


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Abstract

We present the first experimental demonstration of compatible single-sideband (compatible-SSB) modulated OFDM optical system at 11.1Gb/s data rate for long distance transmission over 675km uncompensated standard single-mode fiber. Compatible-SSB modulation employing a simple dual-drive Mach-Zehnder modulator (MZM) in the transmitter and direct-detection at the receiver provides an OFDM system implementation with reduced complexity. It does not require a guard-band between the carrier and the OFDM sideband and so makes full use of available digital-to-analog converter (DAC) bandwidth. We demonstrate digital pre-compensation applied in the transmitter to correct MZM nonlinear transfer function and to improve the system transmission performance. We show that optimum modulation index value decreases with increasing transmission distance. We have also investigated the impact of self-phase modulation (SPM) on the system performance, and show that a compatible-SSB modulated system is less vulnerable to SPM in comparison to the conventional offset-SSB modulation at the same data rate.

© 2010 OSA

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(250.0250) Optoelectronics : Optoelectronics

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: June 3, 2010
Revised Manuscript: June 30, 2010
Manuscript Accepted: June 30, 2010
Published: July 23, 2010

Citation
Yuanyuan Zhang, Maurice O’Sullivan, and Rongqing Hui, "Theoretical and experimental investigation of compatible SSB modulation for single channel long-distance optical OFDM transmission," Opt. Express 18, 16751-16764 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-16-16751


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References

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