NDLI: Highly dispersed pulses for transmission at 40 Gb/s

Content Provider	IEEE Xplore Digital Library
Author	Wiesenfeld, J.M. Sang-Gyu Park Gnauck, A.H. Garrett, L.D.
Copyright Year	2000
Description	Author affiliation: AT&T Labs.-Res., Red Bank, NJ, USA (Wiesenfeld, J.M.)
Abstract	As the signal-to-noise ratio (SNR) requirement increases, there is a need for higher launched signal power, which can increase signal degradation from fiber nonlinearities, such as self-phase modulation (SPM). However, short pulse RZ offers significant advantages for transmission at 40 Gb/s. The broad spectrum of the short pulses leads to a very short dispersion length in dispersive fibers, such as standard single-mode fibers (SMF) operating around 1550 nm. Because the pulses become highly dispersed, phase-matching of the frequency components in the signal is reduced in the fiber link, which reduces the effects of SPM. Therefore, the launched signal power can be increased to provide sufficient SNR for transmission over many amplified spans. Moreover, once the pulses are dispersed, the location of dispersion compensation is not critical. Therefore, all dispersion compensation can be placed at the end of the transmission link, rather than in the more usual span-by-span configuration. Using these concepts, we demonstrate 40 Gb/s transmission over SMF links up to 800 km.
Starting Page	90
Ending Page	91
File Size	162310
Page Count	2
File Format	PDF
ISBN	078035947X
ISSN	10928081
DOI	10.1109/LEOS.2000.890688
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-11-13
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Pulse amplifiers Q measurement Optical pulses Optical signal processing Degradation Scanning probe microscopy Dispersion Optical amplifiers Pulse modulation Optical transmitters
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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40-Gb/s transmission over multiple 120-km spans of conventional single-mode fiber using highly dispersed pulses

Impact of fibre nonlinearities in electronic dispersion compensation systems at 40 Gb/s

NRZ versus RZ in 10-40-Gb/s dispersion-managed WDM transmission systems

NRZ vs. RZ in 10-40 Gbit/s dispersion-managed WDM transmission systems

Performance limits of nonlinear RZ and NRZ coded transmission at 1O and 40 Gb/s on different fibers

40 Gb/s tandem electro-absorption modulator

Feasibility of 80 Gb/s transmission over multiple spans of conventional single-mode fiber using highly dispersed pulses

Interplay Between Dispersion And Self-phase Modulation

Measurement of residual chromatic dispersion of a 40-Gb/s RZ signal via spectral broadening

Highly dispersed pulses for transmission at 40 Gb/s

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