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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 26 — Dec. 20, 2010
  • pp: 27455–27467

On the correct modeling of semiconductor optical amplifier RIN and phase noise for optical phase shift keyed communication systems

Carlos L. Janer and Michael J. Connelly  »View Author Affiliations


Optics Express, Vol. 18, Issue 26, pp. 27455-27467 (2010)
http://dx.doi.org/10.1364/OE.18.027455


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Abstract

Phase modulation schemes are attracting much interest for use in ultra-fast optical communication systems because they are much less affected by fiber nonlinearities than conventional modulation formats. Semiconductor optical amplifiers (SOAs) can be used to amplify and process phase modulated signals. However, existing SOA nonlinear phase noise (NLPN) models are simplistic and, sometimes, inaccurate. It is, therefore, important to correctly model their behavior since NLPN is the main drawback in these applications. In this paper we show that a more accurate model can be used leading to simple nonlinear noise expressions at the SOA output of differential phase shift keying systems. To demonstrate the utility of this model, we have used it to calculate the optical signal to noise ratio penalties introduced by a power booster SOA and the first inline amplifier of a 40 Gb/s NRZ-DQPSK single channel link. The model parameters have been estimated from measurements taken of a commercial SOA.

© 2010 OSA

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(060.2330) Fiber optics and optical communications : Fiber optics communications
(190.4360) Nonlinear optics : Nonlinear optics, devices
(190.5970) Nonlinear optics : Semiconductor nonlinear optics including MQW
(230.4480) Optical devices : Optical amplifiers

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: August 31, 2010
Revised Manuscript: November 26, 2010
Manuscript Accepted: December 7, 2010
Published: December 14, 2010

Citation
Carlos L. Janer and Michael J. Connelly, "On the correct modeling of semiconductor optical amplifier RIN and phase noise for optical phase shift keyed communication systems," Opt. Express 18, 27455-27467 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-26-27455


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References

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