16x40 Gb/s over 800km of SSMF using mid-link spectral inversion

S.L. Jansen, S. Spälter, G.D. Khoe, H. Waardt, de, H.E. Escobar, L. Marshall, M. Sher

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We demonstrate the feasibility of a cost-effective 640 Gb/s (16×40 Gb/s) wavelength-division-multiplexed (WDM) transmission system over 800 km of conventional standard single-mode fiber (SSMF) without using in-line dispersion management. Instead for chromatic-dispersion compensation, a Magnesium-oxide-doped periodically poled lithium niobate (MgO : PPLN)-based polarization-diverse subsystem is used to phase conjugate all 16 channels. The transmission line uses all erbium-doped fiber amplifiers and has an amplifier spacing of 100 km. All channels launched were copolarized. To the best of our knowledge, this is the first WDM transmission experiment with a channel data rate of 40 Gb/s using a PPLN as chromatic-dispersion compensator.
Original languageEnglish
Pages (from-to)1763-1765
Number of pages3
JournalIEEE Photonics Technology Letters
Issue number7
Publication statusPublished - 2004


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