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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 11 — Jun. 1, 2013
  • pp: 1954–1956

NRZ/RZ 40 Gbit/s optical regenerator based on a photonic two-level nonlinear device

Valeria Vercesi, Mirco Scaffardi, and Antonella Bogoni  »View Author Affiliations


Optics Letters, Vol. 38, Issue 11, pp. 1954-1956 (2013)
http://dx.doi.org/10.1364/OL.38.001954


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Abstract

A compact device with a two-level transfer function (TF) implemented with two semiconductor optical amplifier (SOA)-based stages is proposed and characterized. Each stage exploits nonlinear polarization rotation and self-phase modulation. The obtained improved TF with very flat top and bottom levels makes the scheme suitable for working as a reshaper in all-optical regeneration. The effectiveness of the device is verified in regenerating both nonreturn-to-zero (NRZ) and return-to-zero (RZ) data signals up to 40Gb/s. Bit error rate measurements demonstrate increased threshold margin and extinction ratio improvement.

© 2013 Optical Society of America

OCIS Codes
(060.4510) Fiber optics and optical communications : Optical communications
(250.5980) Optoelectronics : Semiconductor optical amplifiers

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: March 5, 2013
Revised Manuscript: April 17, 2013
Manuscript Accepted: May 2, 2013
Published: May 30, 2013

Citation
Valeria Vercesi, Mirco Scaffardi, and Antonella Bogoni, "NRZ/RZ 40 Gbit/s optical regenerator based on a photonic two-level nonlinear device," Opt. Lett. 38, 1954-1956 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-11-1954

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