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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 2 — Jan. 21, 2008
  • pp: 818–828

Optical Phase Locking techniques: an overview and a novel method based on Single Side Sub-Carrier modulation

V. Ferrero and S. Camatel  »View Author Affiliations

Optics Express, Vol. 16, Issue 2, pp. 818-828 (2008)

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A short overview on Optical Phase locking techniques and a detailed description of the Phase Locking technique based on Sub-Carriers modulation is presented. Furthermore, a novel Single Side Sub-Carrier-based Optical Phase Locked Loop (SS-SC-OPLL), with off the shelf optical components, is also presented and experimentally demonstrated. Our new method, based on continuous wave semiconductor lasers and optical single side sub-carrier modulation using QPSK LiNbO3 modulator, allows a practical implementation with better performance with respect to the previously proposed OPLL circuits, and permits an easy use in real time WDM signal coherent demodulation.

© 2008 Optical Society of America

OCIS Codes
(060.1660) Fiber optics and optical communications : Coherent communications
(060.2360) Fiber optics and optical communications : Fiber optics links and subsystems
(060.2920) Fiber optics and optical communications : Homodyning
(060.4510) Fiber optics and optical communications : Optical communications
(060.5060) Fiber optics and optical communications : Phase modulation

ToC Category:
Coherent Receivers

Original Manuscript: August 13, 2007
Revised Manuscript: November 12, 2007
Manuscript Accepted: November 12, 2007
Published: January 9, 2008

Virtual Issues
Coherent Optical Communication (2008) Optics Express

V. Ferrero and S. Camatel, "Optical Phase Locking techniques: an overview and a novel method based on Single Side Sub-Carrier modulation," Opt. Express 16, 818-828 (2008)

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