NDLI: On the designing of densely dispersion-managed optical fiber systems for ultrafast optical communication

Content Provider	Springer Nature Link
Author	Tchofo Dinda, Patrice Labruyere, Alexis Nakkeeran, Kaliyaperumal Fatome, Julien Moubissi, Alain Brice Pitois, Stéphane Millot, Guy
Copyright Year	2003
Abstract	We present some theoretical and experimental results which suggest the possibility of constructing a non-empirical methodology of designing optical transmission systems with ultra high bit-rate per channel. Theoretically, we present an average dispersion decreasing densely dispersion-managed (A4dm) fiber system, which exhibits many advantages over the densely dispersion-managed fiber system, such as the possibility of transmitting chirp-free Gaussian pulses at 160 Gbit/s per channel over transoceanic distances, with a reduced energy and minimal intra-channel interaction. Experimentally we present generation of a 160-GHz picosecond pulse train at 1550 nm using multiple four-wave mixing temporal compression of an initial dual frequency beat signal in the anomalous-dispersion regime of a non-zero dispersion shifted fiber. A complete intensity and phase characterization of the pulse train by means of a frequency-resolved optical gating technique is achieved, showing generation of transform-limited pedestal-free Gaussian pulses.Nous présentons des résultats théoriques et expérimentaux qui suggèrent la possibilité de construire une méthodologie non empirique de conception de lignes à très haut débit par canal (≥ 160 Gbit/s). Théoriquement nous présentons la ligne de transmissiona4dm, où la gestion de la non-linéarité s’effectue en faisant décroître par palier la dispersion moyenne le long du pas d’amplification. Cette ligne démontre la possibilité de transmettre des impulsions gaussiennes initialement non chirpées à un débit de 160 Gbit/s sur des distances transocéaniques, avec un niveau d’énergie nettement plus petit que dans le cas de lignes à haute densité de gestion de la dispersion et sans gestion de la non-linéarité. Expérimentalement, nous présentons des résultats mettant en évidence la génération d’un train d’impulsions picosecondes à une fréquence de répétition de 160 GHz et à la longueur d’onde de 1550 nm. La technique mise en oeuvre repose sur la compression temporelle non linéaire d’un battement de deux fréquences injectées dans une fibre optique à dispersion décalée en régime de dispersion anormale. Le processus physique non linéaire à l’origine de la compression temporelle est un mélange à quatre ondes en cascades. Une caractérisation complète en intensité et en phase du train d’impulsions ainsi généré est réalisée à l’aide d’une technique d’autocorrélation résolue en fréquence. Cette caractérisation met clairement en évidence la génération d’un train d’impulsions gaussiennes en limite de Fourier et sans piédestal.
Starting Page	1785
Ending Page	1808
Page Count	24
File Format	PDF
ISSN	00034347
Journal	Annales Des Télécommunications
Volume Number	58
Issue Number	11-12
e-ISSN	19589395
Language	French
Publisher	Springer-Verlag
Publisher Date	2003-01-01
Publisher Place	Paris
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Télécommunication optique Transmission fibre optique Dispersion onde Conception système Haut débit Impulsion ultracourte Mélange 4 ondes Diffusion Raman stimulée Équation non linéaire Étude théorique Résultat expérimental Transmission longue distance Génération impulsion Communications Engineering, Networks Information Systems and Communication Service Signal, Image and Speech Processing Computer Communication Networks Information and Communication, Circuits R & D/Technology Policy
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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