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Journal of Optical Communications and Networking

Journal of Optical Communications and Networking

  • Editor: Richard A. Linke
  • Vol. 2, Iss. 10 — Oct. 3, 2003
  • pp: 361–367

Bidirectional ultradense WDM for metro networks adopting the beat-frequency-locking method

Sang-Yuep Kim, Jae-Hoon Lee, and Jae-Seung Lee  »View Author Affiliations


Journal of Optical Networking, Vol. 2, Issue 10, pp. 361-367 (2003)


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Abstract

We present a technique to increase the spectral efficiencies of metro networks by using channel-interleaved bidirectional ultradense wavelength-division multiplexing (WDM) within each customer’s optical band. As a demonstration, we transmit 12.5-GHz-spaced 8×10 Gbit/s channels achieving spectral efficiency as high as 0.8 bit/s/Hz with a 25-GHz WDM demultiplexer. The beat-frequency-locking method is used to stabilize the channel frequencies within ±200 MHz, which is far more accurate than with conventional wavelength lockers.

© 2003 Optical Society of America

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.2360) Fiber optics and optical communications : Fiber optics links and subsystems

ToC Category:
RESEARCH PAPERS

History
Original Manuscript: July 30, 2003
Revised Manuscript: July 30, 2003
Published: September 23, 2003

Citation
Sang-Yuep Kim, Jae-Hoon Lee, and Jae-Seung Lee, "Bidirectional ultradense WDM for metro networks adopting the beat-frequency-locking method," J. Opt. Netw. 2, 361-367 (2003)
http://www.opticsinfobase.org/jocn/abstract.cfm?URI=jon-2-10-361

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