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Effectiveness of Receiver-Side Compensation against FBG Dispersion-Induced SNR Degradation in Long-Haul WDM Optical Networks
IEICE TRANSACTIONS on Communications
Publication Date: 2002/12/01
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Fiber-Optic Transmission
wavelength division multiplexing (WDM), network, fiber Bragg grating, dispersion, dispersion compensation,
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We clarify the effectiveness of receiver-side compensation in offsetting fiber Bragg grating (FBG) dispersion induced-electrical signal-to-noise ratio (SNR) degradation in a 10 Gb/s 8-channel wavelength-division multiplexing (WDM) 6,400 km transmission system. The receiver-side compensation greatly improves the SNR degradation. The allowable accumulated FBG dispersion is -400 1000ps/nm for the worst arrangement, a single FBG at the transmitter, which is about half the accumulated fiber dispersion permissible with receiver-side compensation.