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Journal of Optical Communications and Networking

Journal of Optical Communications and Networking

  • Editors: K. Bergman and V. Chan
  • Vol. 1, Iss. 6 — Nov. 1, 2009
  • pp: 571–579

Remote Frequency Stabilization Technique by Using MZI-AWG and Supervisory Frame Transfer in Coexistence-Type WDM-PON

Masamichi Fujiwara, Tetsuya Suzuki, Hiro Suzuki, Takuya Tanaka, Naoki Ooba, Hideaki Kimura, and Kiyomi Kumozaki  »View Author Affiliations


Journal of Optical Communications and Networking, Vol. 1, Issue 6, pp. 571-579 (2009)
http://dx.doi.org/10.1364/JOCN.1.000571


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Abstract

We propose a remote frequency stabilization technique for upstream signals in coexistence-type wavelength-division-multiplexed passive optical networks (WDM-PONs). It is based on dithering the transmission spectra of the demultiplexer to create a frequency monitor; supervisory frames that contain frequency information are transferred from the central office to the optical network unit through a downstream signal. To achieve a wide capture range for feedback control, the DEMUX is built as a new planer lightwave circuit that incorporates a Mach-Zehnder interferometer (MZI) and two arrayed waveguide gratings (AWGs). Experiments show that the deviation in laser-diode (LD) frequency can be suppressed to +/-3.5 GHz by using the supervisory frames with the fixed time interval of 2 ms even though the LD frequency is expected to drift by +/-25 GHz against the ITU-T grid over its lifetime. An analytical estimation also shows that the proposed technique can effectively reduce the power budget required for the transceivers for upstream signal transmission with no significant decrease in the main signal bandwidth.

© 2009 Optical Society of America

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.4510) Fiber optics and optical communications : Optical communications

ToC Category:
Research Papers

History
Original Manuscript: April 29, 2009
Revised Manuscript: September 4, 2009
Manuscript Accepted: October 2, 2009
Published: October 30, 2009

Citation
Masamichi Fujiwara, Tetsuya Suzuki, Hiro Suzuki, Takuya Tanaka, Naoki Ooba, Hideaki Kimura, and Kiyomi Kumozaki, "Remote Frequency Stabilization Technique by Using MZI-AWG and Supervisory Frame Transfer in Coexistence-Type WDM-PON," J. Opt. Commun. Netw. 1, 571-579 (2009)
http://www.opticsinfobase.org/jocn/abstract.cfm?URI=jocn-1-6-571


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References

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