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Silicon Photonics

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Friday
Jun282013

Classic textbooks and the challenge of ongoing learning

Gazettabyte asked its Facebook followers if there is a textbook they value more than others, and why.

It could be a book from student days or a more recent one, work-related. Also asked were readers' interest and experiences with newer styles of learning - online, and books with interactive elements and accompanying websites. Books here include business and technology titles.

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Wednesday
Jun192013

Merits and challenges of optical transmission at 64 Gbaud 

u2t Photonics announced recently a balanced detector that supports 64Gbaud. This promises coherent transmission systems with double the data rate. But even if the remaining components - the modulator and DSP-ASIC capable of operating at 64Gbaud - were available, would such an approach make sense?

Gazettabyte asked system vendors Transmode and Ciena for their views.

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Tuesday
Jun112013

Arista Networks embeds optics to boost 100 Gig port density

Arista Networks' latest 7500E switch is designed to improve the economics of building large-scale cloud networks.

The platform packs 30 Terabit-per-second (Tbps) of switching capacity in an 11 rack unit (RU) chassis, the same chassis as Arista's existing 7500 switch that, when launched in 2010, was described as capable of supporting several generations of switch design.   

 

"The CFP2 is becoming available such that by the end of this year there might be supply for board vendors to think about releasing them in 2014. That is too far off."

Martin Hull, Arista Networks

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Thursday
Jun062013

u2t Photonics pushes balanced detectors to 70GHz

  • u2t's 70GHz balanced detector supports 64Gbaud for test and measurement and R&D
  • The company's gallium arsenide modulator and next-generation receiver will enable 100 Gigabit long-haul in a CFP2

 

"The performance [of gallium arsenide] is very similar to the lithium niobate modulator"

Jens Fiedler,  u2t Photonics

 

 

 

 

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Sunday
Jun022013

Mellanox to acquire silicon photonics player Kotura 

Source: Gazettabyte

Mellanox Technologies has announced its intention to acquire silicon photonics player, Kotura for $82 million.

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Wednesday
May222013

Ethernet access switch chip boosts service support

The Serval-2 architecture. Source: Vitesse

Vitesse Semiconductor has detailed its latest Carrier Ethernet access switch for mobile backhaul, cloud and enterprise services. 

The Serval-2 chip broadens Vitesse's access switch offerings, adding 10 Gigabit Ethernet (GbE) ports while near-tripling the switching capacity to 32 Gigabit;  the Serval-2 has 2x10 GbE and 12 1GbE ports.

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Thursday
May162013

Nuage Networks uses SDN to tackle data centre networking bottlenecks 

Three planes of the network that host Nuage's .Virtualised Services Platform (VSP). Source: Nuage Networks

Alcatel-Lucent has set up Nuage Networks, a business venture addressing data centre networking bottlenecks. Nuage claims to have simplified network connectivity within and between data centres.

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