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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 27 — Dec. 19, 2011
  • pp: 25954–25968

High-bandwidth generation of duobinary and alternate-mark-inversion modulation formats using SOA-based signal processing

James M. Dailey, Mark J. Power, Roderick P. Webb, and Robert J. Manning  »View Author Affiliations

Optics Express, Vol. 19, Issue 27, pp. 25954-25968 (2011)

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We report on the novel all-optical generation of duobinary (DB) and alternate-mark-inversion (AMI) modulation formats at 42.6 Gb/s from an input on-off keyed signal. The modulation converter consists of two semiconductor optical amplifier (SOA)-based Mach-Zehnder interferometer gates. A detailed SOA model numerically confirms the operational principles and experimental data shows successful AMI and DB conversion at 42.6 Gb/s. We also predict that the operational bandwidth can be extended beyond 40 Gb/s by utilizing a new pattern-effect suppression scheme, and demonstrate dramatic reductions in patterning up to 160 Gb/s. We show an increasing trade-off between pattern-effect reduction and mean output power with increasing bitrate.

© 2011 OSA

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(070.4340) Fourier optics and signal processing : Nonlinear optical signal processing
(230.1150) Optical devices : All-optical devices
(250.5980) Optoelectronics : Semiconductor optical amplifiers
(250.4110) Optoelectronics : Modulators
(230.3750) Optical devices : Optical logic devices

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: August 4, 2011
Revised Manuscript: October 6, 2011
Manuscript Accepted: October 6, 2011
Published: December 6, 2011

James M. Dailey, Mark J. Power, Roderick P. Webb, and Robert J. Manning, "High-bandwidth generation of duobinary and alternate-mark-inversion modulation formats using SOA-based signal processing," Opt. Express 19, 25954-25968 (2011)

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