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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 10 — May. 15, 2014
  • pp: 2928–2931

Demonstration of all-optical phase noise suppression scheme using optical nonlinearity and conversion/dispersion delay

Mohammad Reza Chitgarha, Salman Khaleghi, Morteza Ziyadi, Amirhossein Mohajerin-Ariaei, Ahmed Almaiman, Wajih Daab, Devora Rogawski, Moshe Tur, Joseph D. Touch, Carsten Langrock, Martin M. Fejer, and Alan E. Willner  »View Author Affiliations


Optics Letters, Vol. 39, Issue 10, pp. 2928-2931 (2014)
http://dx.doi.org/10.1364/OL.39.002928


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Abstract

We propose and demonstrate an all-optical phase noise reduction scheme that uses optical nonlinear mixing and tunable optical delays to suppress the low-speed phase noise induced by laser linewidth. By utilizing the phase conjugate copy of the original signal and two narrow-linewidth optical pumps, the phase noise induced by laser linewidth can be reduced by a factor of 5 for a laser with 500-MHz phase noise bandwidth. The error-vector-magnitude can be improved from 30% to 14% for the same laser linewidth for 40-Gbit/s quadrature phase shift keying signal.

© 2014 Optical Society of America

OCIS Codes
(060.2360) Fiber optics and optical communications : Fiber optics links and subsystems
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(190.4223) Nonlinear optics : Nonlinear wave mixing

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: January 2, 2014
Revised Manuscript: March 21, 2014
Manuscript Accepted: April 11, 2014
Published: May 9, 2014

Citation
Mohammad Reza Chitgarha, Salman Khaleghi, Morteza Ziyadi, Amirhossein Mohajerin-Ariaei, Ahmed Almaiman, Wajih Daab, Devora Rogawski, Moshe Tur, Joseph D. Touch, Carsten Langrock, Martin M. Fejer, and Alan E. Willner, "Demonstration of all-optical phase noise suppression scheme using optical nonlinearity and conversion/dispersion delay," Opt. Lett. 39, 2928-2931 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-10-2928

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