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GBPS [5 records]

Record 1 2019-10-24

English

Subject field(s)
  • Electronic Components
  • Photoelectricity and Electron Optics
  • Optical Telecommunications
CONT

Enterprise data centers have an insatiable appetite for bandwidth. This is being driven by virtualization, cloud computing, storage area networks and a host of other factors that are causing a steady proliferation of fiber connections and ever-faster links.... Multi-fiber push-on("MPO") fiber trunks have become the default cabling solution to these ever-increasing data center bandwidth requirements. Because they are a natural fit for parallel optics, these fiber links are compact, pre-terminated, able to handle bandwidth all the way up to 100 Gbps [gigabits per second], and even plug-and-play by design.

Key term(s)
  • multifibre push-on fibre trunk
  • multifiber push-on fiber trunk

French

Domaine(s)
  • Composants électroniques
  • Photo-électricité et optique électronique
  • Télécommunications optiques
OBS

MPO : abréviation anglaise de «multi-fibre push-on».

Spanish

Save record 1

Record 2 2016-03-15

English

Subject field(s)
  • Electronics
OBS

Crossed field multiplier phototube: A multiplier phototube in which repeated secondary emission is obtained from a single active electrode by the combined effects of a strong radio-frequency electric field and a perpendicular direct-current magnetic field.

OBS

Multiplier phototube and photomultiplier tube are synonyms.

CONT

Multi-Gigabit Data Rate Approach-... In order to detect the 2 Gbps PQM data stream, two optical receivers, each capable of detecting a 1 Gbps PDBM optical pulse train, are required. Very sensitive avalanche photodiodes with rise times less than 250 ps have developed and are presently being evaluated. Similar devices with slightly longer rise times have been evaluated 1 Gbps and were found to have a sensitivity comparable to the developed 1 Gbps Dynamic Crossed Field Photomultiplier Tubes(DCFP) with a photocathode quantum efficiency of 20%. It is expected that the new high speed devices will have comparable sensitivity.

Key term(s)
  • dynamic crossed field multiplier phototube

French

Domaine(s)
  • Électronique
CONT

Système à débit binaire de l'ordre de plusieurs gigabits. (...) Pour la détection du train de données à modulation quaternaire d'impulsions (PQM) à 2 Gbit/s, il faut deux récepteurs optiques capables de détecter, chacun, un train d'impulsions optiques PDBM (modulation binaire par retard des impulsions) de 1 Gbit/s. On amis au point et l'on évalue en ce moment des photodiodes à avalanche très sensibles à temps de montée inférieurs à 250 ps. Des dispositifs similaires avec temps de montée légèrement plus élevés ont été évalués et l'on a constaté qu'ils étaient d'une sensibilité comparable à celle des tubes photomultiplicateurs dynamiques à champs croisés de 1 Gbit/s (DCFP) mis au point, avec un rendement quantique de photocathode de 20%. On espère que les nouveaux dispositifs à grande vitesse seront d'une sensibilité comparable.

Spanish

Save record 2

Record 3 2014-11-17

English

Subject field(s)
  • Optical Telecommunications
DEF

A technology for transmitting data between computer devices at a data rate of up to 1 Gbps [gigabit per second], or one billion bits per second.

French

Domaine(s)
  • Télécommunications optiques
CONT

Seagate Software a testé et approuvé des configurations bout en bout pour les plus grands distributeurs d'équipements de réseau de stockage à canal de fibres optiques. Ces essais rigoureux ont abouti à une configuration qui fonctionne en toute transparence dans un environnement de réseau de stockage à canal de fibres optiques [...]

Spanish

Campo(s) temático(s)
  • Telecomunicaciones ópticas
Save record 3

Record 4 2003-11-26

English

Subject field(s)
  • Satellite Telecommunications
  • Orbital Stations
CONT

High data rate intersatellite communications will be needed in applications such as short range links between clusters of satellites in one or adjacent orbital slots, medium range links forming a network in LEO(Low Earth Orbit) and MEO(Medium Earth Orbit) constellations, and longer links between GEO(Geostationary Orbit) satellites. This requires optical intersatellite links or satellite to ground communications links with digital data transfer at 10 Gbps at ranges of 10 000 kilometres.

OBS

Optical intersatellite links offer higher data rates than microwave alternatives. There is no requirement for spectrum approval and interference threats are minimal with laser communications.

Key term(s)
  • optical inter satellite link

French

Domaine(s)
  • Télécommunications par satellite
  • Stations orbitales
OBS

Les liaisons optiques intersatellites offrent un débit binaire plus élevé que les liaisons hyperfréquences, aucune approbation de spectre n'est nécessaire et les risques de brouillage sont minimes.

Spanish

Save record 4

Record 5 2001-12-05

English

Subject field(s)
  • Internet and Telematics
  • Radioelectricity
  • Audio Technology
  • Telecommunications
CONT

Syringa Networks LLC has selected Martin Group, a provider of engineering solutions, consulting services and operations support systems(OSS), to engineer a fiber-optic, broadband communications network that will provide fully survivable bandwidth across southern Idaho. Initially, the network will provide 5 Gbps of capacity, which would be capable of approximately 65, 000 simultaneous telephone conversations. When complete, the Syringa network will provide high-speed, high-capacity voice and data transmission for nearly 60 rural telephone exchanges served by a dozen independent telcos.

French

Domaine(s)
  • Internet et télématique
  • Radioélectricité
  • Électroacoustique
  • Télécommunications
CONT

L'architecture évolutive des solutions de Qtera offre une performance inégalée, le paramétrage et la restauration rapides de la longueur d'onde et, plus important encore, une bande passante surviable au coût le plus bas.

Spanish

Save record 5

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