40 Gbit/s optical 2R regenerator based on passive saturable absorber for WDM long-haul transmissions

Rouvillain, D.; Seguineau, F.; Pierre, Laurent; Brindel, P.; Choumane, H.; Aubin, G.; Oudar, Jean‐Louis; Leclerc, O.

doi:10.1109/ofc.2002.1036793

Cited by 20 publications

(5 citation statements)

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“…This behavior is in agreement with the nonlinear response of this kind of component which amplifies the peak-power variations at each round trip. This phenomenon underlines the limit of the cascadability of our component and that this SA device is able to correctly regenerate the "0" bit-slots but needs a second stage of regeneration to stabilize the "1" levels such as, a semiconductor optical amplifier [4], or by soliton technique [3]. Note that this high level of amplitude jitter could explain the growing instability of the optical signal observed during the propagation, confirming the necessity of a "1"-symbols level-stabilizing device and raises the idea that in order to achieve the maximum transmission distance, additional studies should be required to determine the optimum regenerative path which does not necessarily correspond to the amplification span [7,14] as well as the impact of the dispersion map [14].…”

Section: -Experimental Resultsmentioning

confidence: 86%

“…Consequently, there is no doubt that all-optical high-speed 2R-regenerators (reamplification and reshaping) will play a preponderant role in increasing the maximum transmission distance of these future ultra-high bit-rate systems [3]. Preliminary experiments of signal reshaping at 160 Gbit/s have already been successfully done in back-to-back configurations by means of Semiconductor Optical Amplifiers (SOA) [4], Nonlinear Optical Loop Mirrors (NOLM) [5] as well as in a recirculating-loop 3R-regenerator experiment based on nonlinear polarization rotation [6].…”

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confidence: 99%

“…An alternative approach consists in using Saturable Absorber (SA) devices which are totally passive, polarization independent and easy to use. Transmission experiments have already proved their cascadability and inline efficiency at 10 Gbit/s and 40 Gbit/s [3,7], and they even may reshape several wavelengths on the same chip [3]. But, although the response time of this kind of component was proved to be fully compatible with future 160-Gbit/s applications [8][9], as far as we know, no inline investigation was yet available in the literature.…”

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confidence: 99%

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Cascadability and reshaping properties of a saturable absorber inserted inside a RZ transmission line for future 160-Gbit/s all-optical 2R-regenerators

Fatome

Pitois

Massoubre³

et al. 2007

Optics Communications

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International audienceIn this prospective work, we analyze the behavior of a quantum-well microcavity saturable absorber component cascaded into a 100-km SMF RZ transmission line in order to annihilate the ghost-pulse phenomenon in the following simplified “...010101...” 160-Gbit/s 2-bit pattern at 1555 nm. Recirculating-loop experiments show a maximal ghost-pulse extinction up to 11.6 dB as well as an intensity extinction ratio enhancement higher than 6 dB over at least 800 km of propagation

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Section: -Experimental Resultsmentioning

confidence: 86%

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confidence: 99%

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confidence: 99%

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Cascadability and reshaping properties of a saturable absorber inserted inside a RZ transmission line for future 160-Gbit/s all-optical 2R-regenerators

Fatome

Pitois

Massoubre³

et al. 2007

Optics Communications

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“…8 [20]. Such an improved configuration was experimentally demonstrated in a 40 Gbit/s WDM-like, dispersion-managed loop transmission with 240 km periodicity [21]. Fig.…”

Section: Optical Regeneration By Saturable Absorbersmentioning

confidence: 91%

All-optical signal regeneration: from first principles to a 40 Gbit/s system demonstration

Leclerc¹,

Lavigne²,

Balmefrezol³

et al. 2003

Comptes Rendus. Physique

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As optical amplifiers have opened new perspectives for optical communication systems with ultra-high capacities and longhaul transmission distances (more than 1 Tbit/s over 10 000 km), fundamental limits are being reached. In order to overcome these propagation impairments, another technology revolution is soon required. Promising developments concern in-line alloptical regeneration, which makes it possible to transmit optical data over virtually unlimited distances. In this article, we recall the basic principle of Optical Regeneration in optical communication systems and review the current technology alternatives foreseen for future 40 Gbit/s transmission system implementation. The alternative offered by opto-electronic regeneration is also discussed, as to identify and highlight the advantages of the all-optical approach. To cite this article: O. Leclerc et al., C. R. Physique 4 (2003).  2003 Académie des sciences/Éditions scientifiques et médicales Elsevier SAS. All rights reserved. RésuméL'avènement des amplificateurs optiques ayant ouvert de nouvelles perspectives pour les systèmes de communications optiques ultra longue distance et à ultra grande capacité (plus d'un Terabit/s sur 10 000 km), des limites fondamentales semblent aujourd'hui être atteintes. Afin de s'affranchir partiellement des dégradations du signal ayant trait à la propagation, une révolution technologique est devenue nécessaire. A ce titre, les techniques de régénération optique du signal en ligne permettant la transmission de données en optique sur des distances virtuellement infinies ont fait l'objet de récents développements prometteurs. Dans cet article, nous introduirons les principes de base de la Régénération Optique dans les systèmes optiques et nous détaillerons les différentes technologies envisagées pour son implantation dans les futurs systèmes de transmission à 40 Gbit/s. La solution offerte par la régénération opto-électronique sera aussi abordée afin notamment d'identifier et de mettre en avant les avantages des approches tout-optiques.

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“…7) 2R at 40 Gbit/s with non-linear Mach-Zehnder interferometers based on SOA [11], and more recently with saturable absorbers. Semi-conductor saturable absorbers have allowed to double the transmission range of 20 Gbit/s signal, from 3400 to 6800 km [12].…”

Section: R Wdm Regenerationmentioning

confidence: 99%

Active opto-electronic components

Carenco¹,

Scavennec²

2003

Comptes Rendus. Physique

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Opto-electronics has played a key role in long-distance cabled communications by offering high-performance, easy-to-use, compact devices at acceptable cost. Spreading throughout metropolitan networks and access networks and more generally facing the increasing demand for less expensive and wider bandwidth call for new functionalities and improved technologies. This evolution covers all fibre network components and their management: signal propagation and processing along fiber, optoelectronic interfaces, electronic processing, . . . Issues, progress and perspectives of devices as enablers of capacity, flexibility and cost reduction are addressed.

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40 Gbit/s optical 2R regenerator based on passive saturable absorber for WDM long-haul transmissions

Cited by 20 publications

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Cascadability and reshaping properties of a saturable absorber inserted inside a RZ transmission line for future 160-Gbit/s all-optical 2R-regenerators

Cascadability and reshaping properties of a saturable absorber inserted inside a RZ transmission line for future 160-Gbit/s all-optical 2R-regenerators

All-optical signal regeneration: from first principles to a 40 Gbit/s system demonstration

Active opto-electronic components

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