Dispersion tolerance of coherent WDM

Fatima C. Garcia Gunning; Tadhg Healy; Andrew D. Ellis

doi:10.1109/LPT.2006.876995

Dispersion tolerance of coherent WDM

Fatima C. Garcia Gunning^*
, Tadhg Healy
, Andrew D. Ellis

^*Corresponding author for this work

University College Cork

Research output: Contribution to journal › Article › peer-review

32 Citations (Scopus)

Abstract

We present the transmission of a 298.2-Gb/s copolarized coherent wavelength-division-multiplexing system over 80 km of standard single-mode fiber, achieving an information spectral density of 1 b/s/Hz with no prefilters at the transmitter. Odd and even tributary channels were encoded with data and delayed-data-bar pseudorandom binary sequence 2⁷ - 1 patterns. The dispersion tolerance is investigated, and the dispersion penalty of this system is improved through adjustment of the relative phase of adjacent channels. Under optimum conditions, the dispersion penalty could be reduced from over 3 dB to less than 1 dB.

Original language	English
Pages (from-to)	1338-1340
Number of pages	3
Journal	IEEE Photonics Technology Letters
Volume	18
Issue number	12
DOIs	https://doi.org/10.1109/LPT.2006.876995
Publication status	Published - 15 Jun 2006

Funding

Manuscript received October 18, 2005; revised March 27, 2006. This material is based upon work supported by IRCSET and Science Foundation Ireland under Grant 03/IN.1/1340. The authors are with the Photonic Systems Group, Tyndall National Institute, Lee Maltings, Cork, Ireland, and also with the Department of Physics, University College Cork, Cork, Ireland (e-mail: [email protected]). Digital Object Identifier 10.1109/LPT.2006.876995 Fig. 1. Experimental setup for a 298.2-Gb/s CoWDM system: (a) comb generator; (b) phase-preserving data/data-bar encoding; (c) transmission (or back-to-back with the dotted line route); (d) preamplified receiver with optimized filters.

Keywords

Forward error correction (FEC)
Optical propagation
Phase control
Wavelength-division multiplexing (WDM)

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10.1109/LPT.2006.876995

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title = "Dispersion tolerance of coherent WDM",

abstract = "We present the transmission of a 298.2-Gb/s copolarized coherent wavelength-division-multiplexing system over 80 km of standard single-mode fiber, achieving an information spectral density of 1 b/s/Hz with no prefilters at the transmitter. Odd and even tributary channels were encoded with data and delayed-data-bar pseudorandom binary sequence 27 - 1 patterns. The dispersion tolerance is investigated, and the dispersion penalty of this system is improved through adjustment of the relative phase of adjacent channels. Under optimum conditions, the dispersion penalty could be reduced from over 3 dB to less than 1 dB.",

keywords = "Forward error correction (FEC), Optical propagation, Phase control, Wavelength-division multiplexing (WDM)",

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AU - Healy, Tadhg

AU - Ellis, Andrew D.

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AB - We present the transmission of a 298.2-Gb/s copolarized coherent wavelength-division-multiplexing system over 80 km of standard single-mode fiber, achieving an information spectral density of 1 b/s/Hz with no prefilters at the transmitter. Odd and even tributary channels were encoded with data and delayed-data-bar pseudorandom binary sequence 27 - 1 patterns. The dispersion tolerance is investigated, and the dispersion penalty of this system is improved through adjustment of the relative phase of adjacent channels. Under optimum conditions, the dispersion penalty could be reduced from over 3 dB to less than 1 dB.

KW - Forward error correction (FEC)

KW - Optical propagation

KW - Phase control

KW - Wavelength-division multiplexing (WDM)

UR - https://www.scopus.com/pages/publications/33745130692

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SP - 1338

EP - 1340

JO - IEEE Photonics Technology Letters

JF - IEEE Photonics Technology Letters

IS - 12

ER -

Dispersion tolerance of coherent WDM

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